| 2025 Speakers

Lilium
Marvin Koenig

Marvin
Koenig LinkedIn

HiSERV
Senior Project Manager, HiSERV GmbH
Former Senior Manager, Government Relations & Public Affairs, Lilium
Marvin König is a leading voice in the integration of Advanced Air Mobility (AAM) into existing aviation ecosystems, with over a decade of hands-on experience across infrastructure development, regulatory compliance, airspace planning, and operational innovation. Currently serving as Senior Project Manager at HiSERV GmbH and a consultant through AIRaviation-consult, Marvin supports stakeholders across Europe, the Middle East, and the Americas in aligning emerging air mobility technologies with real-world airport and vertiport operations.
As a former Senior Manager of Government Relations at Lilium, Marvin played a pivotal role in shaping the regulatory and infrastructural strategies for one of Europe’s foremost eVTOL manufacturers. His earlier leadership at Stuttgart Airport—in both airside infrastructure and ground handling—positions him uniquely at the intersection of traditional aviation and the operational realities of electric vertical flight.
At the eVTOL SHOW EUROPE, Marvin will provide critical insights into:
  • Aligning vertiport infrastructure with airspace and permitting requirements
  • Navigating regulatory landscapes across multiple jurisdictions
  • Integrating autonomous and digital innovations into ground handling operations
  • Practical strategies to accelerate safe, scalable urban air mobility deployment
With a systems-level understanding of how to translate AAM vision into operational reality, Marvin König brings unmatched expertise to regulators, OEMs, airport authorities, and infrastructure developers seeking to harmonize innovation with implementation across the eVTOL ecosystem.
Piasecki Aircraft Corporation
Stefan-Andres

Stefan
Andres LinkedIn

Piasecki-Aircraft-Corp
Chief of Product, Piasecki Aircraft Corporation
Former Executive VP Programs, Kopter Group | CTO & Head of Design Organization
Stefan Andres is one of Europe’s most experienced aerospace leaders driving the next generation of vertical flight. As Chief of Product at Piasecki Aircraft Corporation, he is currently shaping the PA-890 “Pathfinder,” a hydrogen-electric compound helicopter designed for low-emission, high-performance operations in the advanced air mobility space.
With over two decades of international leadership in aerospace—spanning OEMs, Tier-1 suppliers, and high-growth innovators—Stefan has overseen aircraft development from clean-sheet design to certification, including both civil and military platforms. His consulting work across eVTOL and UAS startups has included critical input on market-aligned design, launch customer engagement, certification planning, and program acceleration.
At the eVTOL SHOW EUROPE, Stefan will share real-world insights into:
  • Accelerating the path from concept to certification for hydrogen-electric and hybrid eVTOL platforms
  • Aligning aircraft configuration and technology roadmaps with early market needs and operator expectations
  • Leveraging design-to-cost and design-to-certification methodologies to meet investor and regulatory demands
  • Building the right supplier ecosystem to support scalable eVTOL program execution
Bringing a unique mix of technical depth, commercial strategy, and systems-level thinking, Stefan Andres offers unmatched perspective to OEMs, Tier 1s, regulators, and investors working to bring sustainable, certifiable eVTOL aircraft to market across Europe and beyond.
Longspur Capital
Adam-Forsyth

Adam
Forsyth LinkedIn

Longspur Capital
Head of Research, Longspur Capital
Financing the Future of Electric Aviation and Clean Infrastructure
Adam Forsyth brings over three decades of investment research experience at the intersection of electricity, clean technology, and infrastructure finance—expertise that is increasingly vital as the eVTOL sector seeks to secure long-term capital and deliver returns in a rapidly evolving mobility landscape.
As Head of Research at Longspur Capital, Adam leads market analysis on new energy and sustainable infrastructure, supporting investors and innovators navigating the shift toward net zero transport systems. He also co-founded the Active Net Zero Clean Energy Index, providing transparent benchmarking for low-carbon companies.
Having previously held senior equity research roles at JPMorgan Chase and Platinum Fund Managers, Adam’s insights combine financial discipline with a deep understanding of emerging technology markets. His work now helps align private capital with scalable, sustainable aviation solutions, including eVTOL platforms and the supporting clean energy ecosystem.
At eVTOL SHOW EUROPE, Adam will offer critical perspectives on:
  • How investors view the eVTOL value chain—risks, returns, and readiness
  • What eVTOL companies must demonstrate to attract serious climate-aligned capital
  • Where clean aviation intersects with policy, regulation, and net-zero infrastructure strategy
His session will be essential for anyone involved in commercial strategy, investment, or infrastructure planning across the eVTOL industry.
EA Maven
Darrell-Swanson

Darrell
Swanson LinkedIn

EA-Maven
Co-Founder & Director, EA Maven
Advisor to NASA’s Transformative Vertical Flight Working Group | Board Member, British Aviation Group
A globally recognized authority on Advanced Air Mobility (AAM) infrastructure and demand modelling. As Co-Founder of EA Maven, Darrell leads one of the foremost consulting firms shaping the physical and strategic foundation of the eVTOL revolution—guiding OEMs, airports, investors, and governments in their transition to next-generation air transport systems.
With over a decade of dedicated work on electric aviation and vertiport readiness, Darrell’s projects span system-level planning, infrastructure due diligence, and stakeholder engagement across public and private sectors. His advisory role to NASA’s Transformative Vertical Flight Working Group reflects his influence on both sides of the Atlantic in shaping policy, standards, and best practices for AAM integration.
At the eVTOL SHOW EUROPE, Darrell will deliver critical insights into:
  • Demand forecasting methodologies for eVTOL networks across Europe
  • Designing infrastructure systems that align with AAM use cases, regulatory frameworks, and urban environments
  • Investor considerations and infrastructure ROI models for vertiports
  • The integration of AAM into existing airport and urban transportation systems
Darrell’s work bridges vision and viability—making him an indispensable voice for operators, planners, and policymakers working to unlock scalable, sustainable AAM infrastructure across the European continent.
MANTA Aircraft
Lucas-Marchesini

Lucas
Marchesini LinkedIn

Manta Aircraft
Co-Founder & CEO, MANTA Aircraft
AAM Industry Influencer
One of Europe’s most influential voices in Advanced Air Mobility. As Co-Founder and CEO of MANTA Aircraft, Lucas is leading the development of a new class of high-performance hybrid-electric eV/STOL aircraft designed to unlock long-range regional air mobility—bridging the operational gap between traditional aviation and urban air transport.
With a deep technical and strategic understanding of both aerospace engineering and AAM economics, Lucas has guided the ANN family of aircraft from concept to full-scale demonstration, creating a scalable, modular platform capable of serving a range of missions including air taxi services, emergency response, cargo logistics, and regional business aviation. His work with regulatory bodies, technology partners, and infrastructure providers positions him at the heart of Europe’s emerging eVTOL ecosystem.
At the eVTOL SHOW EUROPE, Lucas will share key insights into:
  • The hybrid-electric advantage: overcoming range and energy-density limitations in eV/STOL aircraft
  • Designing multifunctional platforms for regional and utility applications
  • Building the industrial and certification ecosystem for long-range AAM in Europe
  • How aircraft design, infrastructure, and use cases must co-evolve for commercial viability
With a strong voice in cross-sector collaboration and a proven track record in platform innovation, Lucas Marchesini offers critical perspective for OEMs, infrastructure developers, regulators, and operators looking to scale AAM beyond the city and into real-world service.
Ascedance
Xavier-Burgat

Xavier
Burgat LinkedIn

Ascedance
Sales Director, Ascendance Flight Technologies
Former Head of Propulsion Strategy & Services, Airbus | Founder, Cloud9tribe
Xavier Burgat brings over 25 years of aviation industry leadership to the forefront of sustainable air mobility. Now serving as Sales Director at Ascendance Flight Technologies, Xavier is driving the market adoption of ATEA, a next-generation hybrid-electric VTOL aircraft designed to redefine regional and utility air transport with reduced emissions, noise, and infrastructure dependency.
A former senior executive at Airbus, Xavier has led global strategy, product marketing, and service innovation across propulsion systems and airline solutions. He combines a deep understanding of commercial aviation with a passion for disruptive technologies and value-based customer engagement. 
At the eVTOL SHOW EUROPE, Xavier will provide critical insights into:
  • Commercializing hybrid-electric VTOL aircraft in a competitive regulatory and operational landscape
  • Building market demand for sustainable regional air mobility
  • Aligning customer needs, aircraft performance, and infrastructure readiness
  • How Ascendance’s STERNA Hybrid Pack enables longer-range, multi-mission VTOL capabilities
With a powerful blend of OEM expertise and startup agility, Xavier Burgat offers a commercially grounded perspective on how hybrid-electric propulsion can unlock scalable, real-world deployment for eVTOL platforms across Europe and beyond.
Odys Aviation
Jonathan-Stephens

Jonathan
Stephens LinkedIn

Odys Aviation
Head of Airworthiness & Certification, Odys Aviation
Former Deputy Head of Airworthiness, Lilium | Chartered Engineer
Jonathan Stephens is one of Europe’s leading airworthiness and certification experts in the eVTOL sector, with deep experience in navigating the complex regulatory landscape for advanced air mobility. As Head of Airworthiness & Certification at Odys Aviation, Jonathan is spearheading the development of a modern multinational Part 21 design organization tasked with certifying a next-generation hybrid-electric VTOL aircraft designed for efficient, regional air travel.
Previously at Lilium, Jonathan served as Deputy Head of Airworthiness, where he helped guide one of the most high-profile eVTOL programs toward type certification. His career has focused on ensuring the safety, compliance, and airworthiness of both piloted and remotely piloted electric aircraft, with a passion for building sustainable aviation systems that meet the operational demands of the real world.
At the eVTOL SHOW EUROPE, Jonathan will provide critical insights into:
  • Building a certifiable VTOL platform under hybrid-electric architectures
  • Aligning with EASA and global certification authorities for future-ready regional mobility
  • Creating and scaling modern airworthiness functions within next-gen aerospace companies
  • Lessons learned from managing airworthiness across multiple high-profile eVTOL programs
With a pragmatic, regulatory-first perspective grounded in hands-on aircraft development, Jonathan Stephens offers essential knowledge for engineers, OEMs, regulators, and investors committed to making AAM aircraft safe, certifiable, and commercially viable.
Bristow Group
Dave Stepanek

Dave
Stepanek LinkedIn

Bristow
Executive Vice President & Chief Transformation Officer, Bristow Group
Former COO, Bristow | Veteran, U.S. Marine Corps | Fellow, Royal Aeronautical Society
David Stepanek is a transformative force in global vertical aviation, leading Bristow Group’s strategic entry into the Advanced Air Mobility (AAM) space. As Executive Vice President and Chief Transformation Officer, David is responsible for forging Bristow’s role as a launch operator for eVTOL, eSTOL, and UAS platforms—leveraging the company’s 75-year legacy in vertical lift operations and safety management.
Under David’s leadership, Bristow has formed partnerships with multiple next-generation aircraft OEMs and developed new operational models to support regional AAM deployment in both cargo and passenger transport. His expertise spans commercial and government operations, cross-border air carrier launches, and over $1 billion in aircraft sales during his tenure at Sikorsky. David also brings extensive experience in M&A integration, having led global operations and post-merger consolidation at both Bristow and PHI Aviation.
At the eVTOL SHOW EUROPE, David will provide executive-level insight into:
  • Bridging traditional rotorcraft operations with the operationalization of eVTOL and hybrid-electric aircraft
  • Building trusted operator-OEM partnerships for launch-phase certification, training, and MRO
  • Lessons learned from real-world vertical lift operations across global offshore, SAR, and defense markets
  • Navigating the regulatory, logistical, and commercial realities of large-scale AAM rollout
As a Fellow of the Royal Aeronautical Society and respected voice in the industry, David Stepanek’s perspective is essential for OEMs, operators, infrastructure stakeholders, and regulators charting a viable path from innovation to implementation in the eVTOL sector.
Bosch Aviation Technology
Joerg Mecks

Joerg
Mecks LinkedIn

Bosch
Team Leader Charging Systems,
Bosch Engineering GmbH
With over two decades at Bosch Engineering, Mecks Jörg brings deep systems expertise in electric vehicle charging to the frontier of airborne electrification. As Team Leader for Charging Systems, Mecks oversees the development of software, systems architecture, and components critical to the efficient and safe charging of electric vehicles—capabilities that are becoming increasingly essential as the eVTOL ecosystem scales.
Mecks leads the strategic coordination of Bosch’s EV charging portfolio and acts as a key interface between Bosch product divisions and advanced mobility clients. His career spans embedded system development, project management for energy and power electronics, and now, cross-functional leadership in next-generation charging solutions.
At the eVTOL SHOW EUROPE, Mecks will present insights into:
  • Translating ground-based EV charging expertise to meet the unique needs of eVTOL platforms
  • Designing robust, fast, and safe charging systems for vertiports and mobile charging networks
  • Addressing thermal, voltage, and software integration challenges for high-performance aviation applications
  • The role of standards and modularity in accelerating scalable infrastructure deployment
With a proven track record in automotive electrification and a strong vision for supporting airborne applications, Mecks Jörg offers essential technical and strategic insights for OEMs, infrastructure developers, and operators working to make eVTOL energy systems safe, efficient, and future-ready.
Skyports Infrastructure
Veronica Reczek

Veronica
Reczek LinkedIn

Skyports
Senior Vertiport Planner, Skyports Infrastructure
Former Airport Planning Consultant, WSP | Member, RAeS, Vertical Flight Society
At the intersection of advanced air mobility and urban design, Veronica Reczek is helping to shape how the world will land, launch, and connect in the age of eVTOL. As Senior Vertiport Planner at Skyports Infrastructure, she is responsible for designing and implementing the global vertiport network that will support the next generation of air transport.
With a background in airport master planning and aviation consultancy, Veronica has contributed to more than 20 international airport and vertiport projects. Her expertise spans site planning, regulatory alignment, environmental considerations, and passenger-centric design—ensuring that vertiport infrastructure is both operationally viable and future-ready. Prior to Skyports, she held roles at WSP and VRCO, supporting groundbreaking initiatives in sustainable aviation and vertical mobility.
At the eVTOL SHOW EUROPE, Veronica will explore:
  • The key planning and regulatory factors for successful vertiport integration
  • How to future-proof urban air mobility infrastructure through simulation and system design
  • Case studies from Europe and beyond: What cities are getting right (and wrong)
  • The role of design in building public trust and operational resilience
Bringing together technical rigour and visionary thinking, Veronica Reczek offers an invaluable perspective for operators, city planners, OEMs, and developers working to unlock the full potential of AAM infrastructure across Europe.
Roland Berger
Sven-Kopera

Sven
Kopera LinkedIn

Roland Berger
Senior Project Manager – Aerospace & Defence, Roland Berger
Aerospace Engineer | Urban & Regional Air Mobility Strategist
Bringing a strategic lens to the evolving world of air mobility, Sven Kopera helps industry leaders, investors, and governments navigate the complexity of building viable eVTOL and AAM ecosystems. As Senior Project Manager at Roland Berger, Sven is at the forefront of the firm’s work in Advanced, Urban, and Regional Air Mobility—supporting stakeholders on market entry, regulatory frameworks, business model design, and ecosystem scaling.
With a background in aerospace engineering and nearly eight years at one of Europe’s top strategy consultancies, Sven has advised on dozens of transformation programs and due diligence projects across aerospace and industrial markets. He is also a key contributor to Roland Berger’s widely cited AAM insights, including thought leadership on infrastructure models, eVTOL certification pathways, and regional air mobility potential.
At the eVTOL SHOW EUROPE, Sven will explore:
  • How the European eVTOL market is likely to evolve—and what it means for OEMs, operators, and investors
  • Lessons from early AAM initiatives globally: what’s working, what isn’t
  • The business case for regional eVTOLs and eSTOLs
  • Building a sustainable AAM ecosystem: aligning infrastructure, policy, and industry timing
With a clear grasp of both the macroeconomic forces and engineering fundamentals shaping next-gen flight, Sven Kopera delivers actionable insight for anyone seeking to compete and scale in Europe’s fast-moving AAM sector.
APELEON
Andreas-Fuerlinger

Andreas
Fuerlinger LinkedIn

Apeleon
Founder & CEO, APELEON
Board Member, Austrian Association for Drones | Former Solar Impulse Mission Engineer
With a rare combination of hands-on aerospace engineering, piloting experience, and entrepreneurial vision, Andreas Fürlinger is driving the future of electric air transport through his leadership at APELEON. As Founder and CEO, Andreas leads the Austrian startup’s mission to deliver sustainable, infrastructure-light VTOL aircraft for cargo and critical logistics.
Rooted in a decade of advanced air mobility (AAM) research, APELEON’s approach fuses the cruise performance of fixed-wing aircraft with the agility of rotorcraft—creating zero-emission drones designed to reach remote destinations without the need for runways or heavy ground infrastructure. Andreas previously contributed to large civil aircraft projects at FACC and served as a mission engineer for Solar Impulse, the first round-the-world solar-powered flight.
At the eVTOL SHOW EUROPE, Andreas will explore:
  • Engineering for real-world utility: building electric VTOLs for cargo and priority delivery
  • Lessons from demonstrator development and flight testing across multiple vehicle scales
  • Balancing disruptive design with current regulatory and operational constraints
  • The long-term vision: how eVTOL cargo applications are laying the foundation for human transport
With deep technical roots and a track record of pioneering aviation projects, Andreas Fürlinger brings a bold yet grounded perspective on how eVTOL technology can serve society’s most urgent transport challenges—starting with the payload, and scaling up from there.
amd.sigma
Olaf-C.-Bünck

Olaf C.
Bünck LinkedIn

AMD Sigma
Senior Manager – AAM & Strategic Airport Development, amd.sigma / Munich Airport Consulting
Architect & Real Estate Strategist | AAM Infrastructure Planner
With a career bridging visionary airport design and pragmatic real estate development, Olaf C. Bünck brings a master planner’s perspective to the rise of vertiports and advanced air mobility (AAM). As Senior Manager at amd.sigma, a strategic airport development consultancy proudly backed by Munich Airport, Olaf leads complex infrastructure planning initiatives around the world—where eVTOL operations meet airport city strategy.
Originally trained as an architect, Olaf has worked across the UAE, Canada, the U.S., and Europe, evolving his practice into large-scale, financially sound infrastructure planning. His expertise spans everything from the conceptual design of vertiports to full feasibility analysis, CAPEX modeling, and yield forecasting. His portfolio includes leadership roles on the AMI initiative with Airbus, the Hamburg Airport Masterplan 2040, and strategic development of airport cities in Berlin and Quito.
At the eVTOL SHOW EUROPE, Olaf will share expert insights into:
  • The integration of vertiports into legacy and greenfield airport ecosystems
  • Business case fundamentals: from early architectural sketches to CAPEX and ROI modeling
  • How AAM fits within the airport city and multimodal transport vision
  • International lessons in aligning government, OEMs, and developers for vertiport success
Fluent in design, finance, and global stakeholder engagement, Olaf C. Bünck offers a critical link between the built environment and the operational future of urban and regional air mobility.
Zuri
Michal-Illich

Michal
Illich LinkedIn

Zuri
Founder & CEO, Zuri
Tech Entrepreneur | Hybrid VTOL Innovator | Investor
Blending engineering ambition with entrepreneurial vision, Michal Illich is reimagining regional air mobility through hybrid VTOL innovation. As Founder and CEO of Zuri, Michal is leading the Czech-based startup’s mission to unlock mid-range, on-demand flight with a platform that combines the flexibility of vertical takeoff with the extended range of hybrid-electric propulsion.
Unlike traditional eVTOL aircraft, Zuri’s hybrid VTOL design aims to deliver up to 7x the range—eliminating the infrastructure constraints of short-hop air taxis and enabling direct, point-to-point connectivity between cities, suburbs, and remote regions. With a background in software development, investment, and multiple startup successes, Michal brings a multidisciplinary approach to aviation—balancing cutting-edge propulsion with an obsessive focus on passenger comfort, safety, and real-world practicality.
At the eVTOL SHOW EUROPE, Michal will explore:
  • Why hybrid propulsion may be the key to unlocking commercially viable VTOL networks
  • Lessons from building Zuri’s full-scale demonstrator and testing campaign
  • How design simplicity, safety, and energy density can coexist in VTOL architecture
  • Future use cases for mid-range aircraft beyond urban air mobility
With bold goals and tangible progress, Michal Illich brings the founder’s mindset to the eVTOL landscape—offering attendees an unfiltered look at what it takes to go from concept to prototype in one of aviation’s most promising frontiers.
M&H CNC Technik GmbH
Jochen-Wagner

Jochen
Wagner LinkedIn

M&H CNC Technik
Head of Sales and Business Development, M&H CNC Technik GmbH
Former Business Development Manager, GKN Additive & Oerlikon Additive Manufacturing
Jochen Wagner is a seasoned manufacturing strategist with over 20 years of experience driving advanced production solutions in the automotive and aerospace sectors. As Head of Sales and Business Development at M&H CNC Technik, Jochen plays a key role in delivering precision machining and additive manufacturing solutions tailored to high-performance, lightweight applications—critical for scaling next-generation eVTOL platforms.
His background spans additive manufacturing, powder metallurgy, forging, and 3D printing—bringing technical and commercial insights into how structural and propulsion components can be reimagined for the aerial mobility space. Through past leadership roles at GKN Additive and Oerlikon, Jochen has helped OEMs and Tier 1 suppliers accelerate product development in motorsports, hypercars, and now electric aviation.
At the eVTOL SHOW EUROPE, Jochen will share strategic perspectives on:
  • How additive manufacturing is enabling lighter, more complex, and certifiable eVTOL parts
  • Lessons from automotive and motorsport AM adoption for eVTOL industrialization
  • Optimizing part design, material performance, and production workflows for scale
  • Collaborating across supply chains to deliver aerospace-grade quality and repeatability
Jochen Wagner brings the expertise needed to translate the promise of digital manufacturing into real-world performance and regulatory readiness for the eVTOL sector.
NEX Aero
Emilia-Torres-Gamboa

Emilia Torres
Gamboa LinkedIn

Nex Aero
Head of Product Management, NEX Aero
Strategic Innovation Leader | Hydrogen eVTOL Advocate | Cross-Disciplinary Product Strategist
With a track record of turning bold ideas into scalable aviation solutions, Emilia Torres Gamboa is helping redefine the frontiers of sustainable flight as Head of Product Management at NEX Aero—a startup pioneering hydrogen-powered eVTOL aircraft for both cargo and passenger transport.
Backed by over 15 years of international experience across Europe, APAC, and MENA, Emilia is a strategic generalist who brings a rare ability to connect business strategy, user experience, and product execution across emerging industries. At NEX, she is driving the development of a long-range, zero-emissions aircraft platform designed to meet the demands of future logistics and regional mobility networks.
Emilia’s strength lies not only in innovation strategy, but in navigating ambiguity—aligning cross-functional teams, adapting to market realities, and shaping viable products within a fast-evolving regulatory and technical landscape.
At the eVTOL SHOW EUROPE, Emilia will share:
  • How hydrogen propulsion redefines the scalability and range of eVTOL solutions
  • Building a viable product strategy in an unproven market: lessons from the front lines
  • Why product, brand, and engineering must evolve together in early-stage AAM ventures
  • What operators, regulators, and users will expect from next-gen aircraft experiences
Emilia brings a clear, execution-first perspective to the hydrogen eVTOL space—making her a vital voice for attendees looking to understand the next wave of air mobility technology from a product innovation lens.
Daedalean AI
Kalin-Stoyanov

Kalin
Stoyanov LinkedIn

Daedalean
Head of Business Development, Daedalean AI
AI for Avionics | Scalable Autonomy Strategist | Business Expansion Leader
Bringing strategy, scalability, and certification-focused innovation to the forefront of aviation autonomy, Kalin Stoyanov is leading global outreach and partnership development for Daedalean AI—a company at the cutting edge of certifiable artificial intelligence for situational awareness and autonomous flight systems.
With over eight years of leadership experience spanning startups, corporates, and public-private ventures, Kalin combines a deep understanding of market dynamics with a hands-on approach to commercializing breakthrough technologies. Under his direction, Daedalean is partnering with airframers, regulators, and operators to deliver AI-enabled capabilities such as visual traffic detection, GPS-denied navigation, and automated landing guidance—essential systems for safe, scalable eVTOL operations.
At the eVTOL SHOW EUROPE, Kalin will explore:
  • How certifiable AI is unlocking autonomy and workload reduction for next-gen aircraft
  • What it takes to integrate visual perception systems into future eVTOL certification paths
  • Lessons from flight testing and OEM collaborations across Europe and beyond
  • Strategic opportunities for early-stage eVTOL developers to future-proof their avionics stack
From enabling safer pilot operations to laying the groundwork for fully autonomous air mobility, Kalin Stoyanov brings clarity, commercial focus, and regulatory fluency to one of the most disruptive forces in the eVTOL sector.
RENK Test System GmbH
Hicham-Benmar

Hicham
Benmar LinkedIn

Renk
Business Development Manager – Aviation, RENK Test System GmbH
eVTOL Testing | Certification Readiness | Simulation & Automation Strategist
At the intersection of cutting-edge propulsion testing and next-generation flight certification, Hicham Benmar plays a key role in accelerating the readiness of eVTOL platforms for commercial launch. As Business Development Manager at RENK Test System GmbH, Hicham is at the forefront of providing simulation-driven, certifiable test environments for electric aviation programs across Europe.
RENK’s pioneering work in eVTOL testing—especially through its RDDS.NG automation system, capable of simulating real-time flight conditions, failure scenarios, and complete drive system behaviour—is a critical enabler for validating the safety, redundancy, and performance of electric aircraft before they ever leave the ground.
At eVTOL SHOW EUROPE, Hicham will discuss:
  • How advanced test rigs simulate complete flight manoeuvres and failures for eVTOL certification
  • The impact of Hardware-in-the-Loop (HIL) and Software-in-the-Loop (SIL) tools in accelerating development cycles
  • How OEMs can integrate flexible test solutions to de-risk electric drive and powertrain architectures
  • The role of data-rich testing environments in streamlining safety approvals with regulators
With nearly two decades of experience in customer-focused project delivery and technical solution building, Hicham Benmar is a trusted voice for the systems that ensure next-generation eVTOLs fly safely, reliably, and on schedule.
Cranfield Aerospace Solutions
Johannes-Hien

Johannes
Hien LinkedIn

Cranfield Aerospace Solutions
Head of Design, Cranfield Aerospace Solutions
Fuel Cell Propulsion | Safety-Critical Certification | Legacy Platform Conversion
Bridging the past and future of aviation, Johannes Hien leads one of Europe’s most advanced hydrogen-electric aircraft conversion programmes at Cranfield Aerospace Solutions. As Head of Design, he is guiding the transformation of the iconic Britten-Norman Islander into a certified, zero-emissions platform, demonstrating how fuel cell propulsion can be integrated into legacy airframes while meeting stringent safety standards.
Johannes brings over 15 years of hands-on experience in certification, airworthiness, and system design across both commercial and experimental aircraft. His role places him at the technical core of one of the UK’s leading initiatives for sustainable aviation and eVTOL readiness.
At eVTOL SHOW EUROPE, Johannes will share:
  • Real-world lessons from converting a certified aircraft to hydrogen-electric propulsion
  • The certification roadmap for new powertrains under CAA Part 21 and BCAR
  • Strategies to scale up from prototype to commercialisation
  • Insights into eVTOL-related crossovers in modularity, safety-critical design, and testing
A Chartered Engineer and Fellow of the Royal Aeronautical Society, Johannes’ experience spans avionics integration, structural modification, and full aircraft STC programmes. His perspective is essential for stakeholders seeking to understand how next-generation aircraft can meet—and exceed—existing regulatory frameworks.
Vertical Aerospace
Marjan-Schoeke

Marjan
Schoeke LinkedIn

Vertical Aerospace
Market Development Manager, Vertical Aerospace
Driving Strategic Commercial Growth for eVTOL Operations
With a career spanning senior strategy roles at Virgin Atlantic, easyJet, and now Vertical Aerospace, Marjan Schoeke brings deep aviation expertise to the future of electric flight. At Vertical Aerospace—a pioneer in all-electric, vertical take-off and landing aircraft—Marjan leads market development initiatives to shape the commercial viability and operational deployment of eVTOLs across Europe and beyond.
From building route strategies to forging early market ecosystems, his work plays a critical role in preparing the infrastructure, partnerships, and business cases needed for eVTOL adoption. His ability to link data-driven insights with cross-functional stakeholder alignment has delivered meaningful results throughout both legacy and next-generation aviation environments.
At eVTOL SHOW EUROPE, Marjan will share perspectives on:
  • What successful eVTOL commercialisation pathways look like, and how to de-risk early operations
  • How airlines and cities must collaborate to develop economically viable routes and networks
  • What it takes to translate aviation innovation into sustainable, scalable business models
Marjan brings a pragmatic yet visionary approach to one of eVTOL’s most complex challenges—turning technical promise into operational and commercial success.
UrbanV
Calogero-Giammusso

Calogero
Giammusso LinkedIn

UrbanV
Head of Operations, UrbanV
Air Mobility Infrastructure | Vertiport Deployment | Regulatory Integration
At the operational heart of Europe’s most ambitious urban air mobility initiative, Calogero Giammusso leads the rollout of one of the continent’s first commercial vertiport networks as Head of Operations at UrbanV. Backed by key European airport operators—including Aeroporti di Roma and Aéroports de la Côte d’Azur—UrbanV is reshaping regional mobility, with Rome’s Fiumicino-City Center route slated for early activation.
With nearly two decades of experience in airport operations, including over 13 years at Torino Airport and active participation in the ACI EUROPE Technical, Operations & Safety Committee, Calogero brings deep knowledge of regulatory frameworks, infrastructure readiness, and stakeholder coordination.
At eVTOL SHOW EUROPE, Calogero will share:
  • Lessons from implementing operational concepts for urban vertiports
  • Real-world challenges in integrating AAM into existing airspace and ground systems
  • Milestones in launching Europe’s first commercial AAM corridor
  • How traditional airport operations are adapting to accommodate eVTOL infrastructure
For attendees seeking pragmatic insights on how to move from strategy to implementation, Calogero Giammusso offers a rare operational perspective grounded in execution at scale.
Flyber Aerospace Composites
Rowan-Carstensen

Rowan
Carstensen LinkedIn

CEO & Co-Founder, Flyber Aerospace Composites
Advanced Composites | eVTOL Structures | Sustainable Manufacturing | Strategic Growth
Few leaders bridge the worlds of strategic manufacturing transformation and next-generation air mobility as seamlessly as Rowan Carstensen. As CEO and Co-Founder of Flyber Aerospace Composites, Rowan is accelerating the transition to Advanced Air Mobility by driving innovation in the scalable production of high-performance composite structures for eVTOL platforms.
Having previously led the delivery of an industry-first composite eVTOL structure during his tenure at Prodrive, Rowan understands the demands of safety, speed, and sustainability in this emerging sector. His background spans operations, commercial leadership, and technical innovation across aerospace, automotive, and motorsport — all sectors where precision and performance are non-negotiable.
At eVTOL SHOW EUROPE, Rowan will explore:
  • How to industrialize eVTOL manufacturing for scale and certification
  • Strategies for integrating sustainable, next-gen materials into VTOL supply chains
  • Lessons from leading multi-million-pound growth roadmaps in high-tech composites
  • The critical role of agile operations in meeting OEM performance timelines
Whether you’re building the next vehicle or scaling your supply chain, Rowan Carstensen delivers insight at the intersection of materials, manufacturing, and market readiness for the future of flight.
Thales
Catherine-Roy

Catherine
Roy LinkedIn

Thales
Foresight & Strategic Design Leader, Thales Design Center Quebec
Strategic Design for Aerospace | Innovation Architect
At the intersection of future vision and aviation reality stands Catherine Roy, who plays a critical role in shaping how organizations prepare for transformative change. As the foresight and design leader at Thales’s North American Design Center, Catherine drives strategic innovation across Thales’ aerospace portfolio—championing design foresight, immersive strategy, and long-range thinking that directly inform next-generation air mobility systems.
Catherine leads Thales’s global network of 14 Design Centers, helping shape the cross-disciplinary strategies behind the company’s cutting-edge technologies—including the FlytRise flight control system, now enabling real-world eVTOL breakthroughs like SkyDrive’s inaugural manned flight in Japan.
At eVTOL SHOW EUROPE, Catherine will explore:
  • How foresight and design thinking can help the eVTOL sector de-risk uncertainty and accelerate real-world adoption
  • The role of immersive, human-centric strategy in creating scalable Advanced Air Mobility (AAM) solutions
  • How global aerospace players are aligning innovation pipelines to meet urban air mobility needs
With nearly two decades of experience guiding strategic innovation for industries ranging from aerospace to AI, Catherine brings both visionary clarity and practical structure to the complex challenge of enabling safer, more sustainable skies.
Neograf Solutions
Bret-Trimmer

Bret
Trimmer LinkedIn

Neograf Solutions
Applications Engineering Manager, NeoGraf Solutions
Expert in Thermal Management & Battery Safety for Electric Aviation
Bret Trimmer brings over a decade of experience tackling one of electric aviation’s most pressing challenges: thermal management. As Applications Engineering Manager at NeoGraf Solutions, Bret is at the forefront of graphite-based solutions designed to make eVTOL battery systems lighter, safer, and more energy-dense.
With a background in chemical engineering and an MBA, Bret’s career spans 30+ years of product innovation, including work across semiconductors, consumer electronics, marine electrification, and now, advanced air mobility (AAM). His focus on thermal runaway prevention, fast charging, and extending range per charge has made him a key collaborator with leading developers of electric aircraft, drones, and eVTOL platforms.
At eVTOL SHOW EUROPE, Bret will draw on his deep technical and commercial knowledge to:
  • Explore how thermal interface materials and graphite-based innovations can future-proof eVTOL power systems
  • Highlight failure scenarios and real-world testing requirements to meet aviation-grade safety thresholds
  • Share practical case studies from marine and EV applications transitioning into AAM use cases
With five patents and extensive international deployment experience, Bret brings a wealth of insight into how thermal technologies will define the performance and certification success of tomorrow’s eVTOL platforms.
Mubea Aviation
Steffen-Kress

Steffen
Kress LinkedIn

Mubea
Head of Business Development and Sales, Mubea Aviation
Accelerating Lightweight Composites for Scalable eVTOL Manufacturing
Steffen Kress brings over two decades of experience in advanced composites and structural innovation to the forefront of eVTOL development. As Head of Business Development at Mubea Aviation, he plays a key role in aligning cutting-edge carbon and glass fiber reinforced polymer (CFRP/GFRP) technologies with the fast-moving demands of next-generation aerospace platforms.
With leadership positions at MT Aerospace, Voith Composites, and COTESA, Steffen has overseen the development and commercialization of high-performance lightweight structures for both traditional aerospace and emerging eMobility segments. His deep expertise in sales strategy, engineering integration, and manufacturing scalability positions him as a key contributor to solving the weight–range–cost challenge facing the eVTOL sector.
At eVTOL SHOW EUROPE, Steffen will provide insights into:
  • Composite innovations enabling safer, lighter, and more manufacturable eVTOL airframes
  • Lessons from conventional aerospace that can accelerate eVTOL design-for-certification
  • How industry partnerships are critical to industrializing eVTOL supply chains
Steffen’s session will be especially valuable for OEMs, Tier 1 suppliers, and engineering teams focused on achieving weight targets, structural integrity, and production readiness in urban air mobility.
Lufthansa Consulting
Pedro-Macedo

Pedro
Macedo LinkedIn

Lufthansa Consulting
Consultant, Lufthansa Consulting
Enabling Scalable, Autonomous eVTOL Integration with Global Aviation Insights
Pedro Macedo is a rising figure in advanced air mobility consulting, supporting Lufthansa Consulting’s global aviation advisory work from Frankfurt. With nearly eight years at Lufthansa Consulting, Pedro brings deep, structured knowledge across air transport economics, regulatory strategy, and operational transformation. His current focus lies at the intersection of autonomous eVTOL deployment, regulatory frameworks, and infrastructure planning.
Pedro is co-author of Lufthansa Consulting’s recent industry-leading white paper on A-EVTOL scalability and the evolution of the “Future-Liner” business model—airline-like operators of autonomous eVTOL fleets. His insights help shape how cities, OEMs, operators, and regulators can jointly accelerate the commercial viability of autonomous electric flight.
At eVTOL SHOW EUROPE, Pedro will outline:
  • The path to scalable A-EVTOL deployment and certification
  • How Future-Liner operators can overcome pilot shortages and infrastructure bottlenecks
  • Market segmentation and the case for starting AAM in low-risk cargo or offshore use cases
  • Global comparisons from China to Europe in unlocking AAM with policy alignment
Pedro offers grounded, technical thinking rooted in Lufthansa Consulting’s legacy of advising governments, airports, and leading aviation players worldwide—helping to unlock a pragmatic and profitable path for autonomous urban air mobility.
OPAL-RT TECHNOLOGIES
Timo-Roesch

Timo
Roesch LinkedIn

OPAL-RT Technologies
Business Development Director – Transportation & Power Electronics, OPAL-RT Europe
Accelerating eVTOL Validation Through High-Fidelity Simulation & HIL Innovation
Timo Roesch is a driving force behind the electrification of aviation, bringing deep technical and commercial expertise in power electronics and real-time simulation. As Business Development Director at OPAL-RT Europe, Timo is at the forefront of delivering advanced Hardware-in-the-Loop (HIL) and Power HIL systems that accelerate eVTOL development, reduce time to certification, and increase operational safety.
With over a decade of leadership in electrification strategy, Timo supports aerospace OEMs and Tier 1s as they tackle system complexity, optimize battery and motor control systems, and simulate high-risk failure modes — all without leaving the ground.
At eVTOL SHOW EUROPE, Timo will demonstrate how OPAL-RT’s integrated real-time testing platforms are transforming the development lifecycle of electric aircraft, with applications ranging from iron bird integration and powertrain validation to battery management and safety-critical redundancy testing.
His session is essential for engineering teams aiming to:
  • Streamline flight control, propulsion, and power electronics testing
  • Achieve regulatory-grade validation with real-time simulation
  • Shorten the eVTOL design–test–deploy cycle using RCP, SIL, and HIL tools
Backed by OPAL-RT’s two-decade legacy in transportation electrification and his own track record of cross-sector innovation, Timo Roesch brings practical insights and future-ready solutions to the eVTOL development ecosystem.
EHang
Jose-Ignacio-Rexach

Jose Ignacio
Rexach LinkedIn

Ehang
Chief Commercial Officer, Europe & LatAm, EHang
Scaling Autonomous Aerial Mobility Across Continents
Nacho Rexach brings unmatched expertise in international aerospace strategy and commercial leadership to the eVTOL SHOW EUROPE, representing EHang—a global pioneer in autonomous aerial vehicle (AAV) technology and the world’s most advanced eVTOL platform developer.
With nearly two decades of senior experience at Airbus and now leading EHang’s commercial strategy across Europe and Latin America, Nacho is playing a central role in shaping how autonomous air mobility will be integrated into global transportation systems. His leadership spans regulatory advocacy, public-private partnerships, infrastructure collaboration, and commercialization of eVTOL passenger and logistics services.
At EHang, Nacho is responsible for launching market-ready autonomous flight networks that redefine urban connectivity. His involvement in securing strategic alliances, engaging with aviation authorities, and expanding market penetration makes him a pivotal figure in moving eVTOL from vision to reality.
At eVTOL SHOW EUROPE, Nacho will share his insights into:
  • The real-world deployment of autonomous, electric air taxis
  • Regulatory progress and certification pathways in Europe
  • Building scalable vertiport and city-level operations
  • EHang’s roadmap toward safe, sustainable urban air mobility
With a unique blend of technical background and commercial foresight, Nacho offers delegates a front-row view of how EHang is making pilotless, zero-emission air mobility both possible and profitable.
Lufthansa Consulting
Arvind-Chandrasekhar

Arvind
Chandrasekhar LinkedIn

Lufthansa Consulting
Associate Partner, Head of Network & Fleet Management, Lufthansa Consulting
Bridging Traditional Aviation with Advanced Air Mobility Strategy
Arvind Chandrasekhar is a seasoned aviation strategist with over a decade of experience advising airlines, airports, governments, and investors across six continents. As a global leader in Network and Fleet Management at Lufthansa Consulting, Arvind supports the design and implementation of transformative aviation strategies, from market entry and turnaround to fleet optimization and airport investment.
Most notably, Arvind is shaping the next era of mobility through his recent work on Advanced Air Mobility (AAM) strategies for major airline groups in Europe. With deep expertise in forecasting, airline business planning, and route development, he offers a uniquely informed view on how eVTOLs can be integrated into existing air transport networks in both emerging and mature markets.
At eVTOL SHOW EUROPE, Arvind will share:
  • Practical frameworks for integrating eVTOLs into airline route networks
  • How legacy carriers can adopt AAM and build new revenue models
  • The role of airports in eVTOL infrastructure and airspace strategy
  • Lessons from AAM deployments in Asia, Africa, and Latin America
Arvind’s thought leadership bridges traditional commercial aviation with the disruptive potential of electric and autonomous air mobility, making him an essential voice in planning for the future of flight.
Zuri
Predrag Kovacevic

Predrag
Kovacevic LinkedIn

Zuri
Chief Technology Officer,
Zuri
As Chief Technology Officer at Zuri, Predrag Kovacevic leads the technological vision and development of one of Europe’s most innovative hybrid-electric VTOL aircraft programs. With a deep background in aerospace engineering and systems integration, Predrag is driving Zuri’s mission to redefine regional air mobility through a unique combination of vertical takeoff capability, extended hybrid-electric range, and advanced flight automation.
At the helm of Zuri’s technical team, Predrag oversees the design and engineering of the Zuri 2.0 aircraft—an ambitious platform that merges tiltrotor architecture, intelligent energy management, and AI-enhanced flight control systems. Under his leadership, Zuri has achieved key milestones in demonstrator development, flight testing, and hybrid powertrain integration, positioning the company as a standout in the evolving eVTOL landscape.
Predrag brings decades of experience in aviation R&D, aircraft systems architecture, and certification strategy. His expertise is central to Zuri’s efforts to deliver a scalable, certifiable, and sustainable VTOL aircraft capable of flying over 700 km—bridging the gap between urban access and regional reach.
At The eVTOL Show, Predrag will share insights into the hybrid VTOL design philosophy, safety-critical system redundancy, and the real-world advantages of long-range, airport-independent flight—helping shape the dialogue on the future of advanced air mobility.
ERC System
David Löbl

Dr.-Ing. David
Löbl LinkedIn

ERC System
Co-Founder & CEO,
ERC System
Dr. David Löbl is an accomplished aerospace engineer and visionary leader shaping the next era of air mobility. As Co-Founder and CEO of ERC System, he is spearheading the development of a groundbreaking electric VTOL platform designed to transform mission-critical air transport—starting with medical emergency response. Under his leadership, ERC System is pushing the boundaries of what’s possible in vertical flight by integrating hybrid-electric propulsion, full-scale VTOL capability, and modular, certifiable design for real-world applications.
David brings over 15 years of deep technical and leadership experience in advanced aviation. Prior to founding ERC in 2020, he served as Chief Technology Officer at AutoFlightX, where he led development of the V600 prototype—contributing to significant advances in manned electric aircraft and autonomous VTOL technologies. Earlier, he was a research associate at the Technical University of Munich’s Institute of Flight System Dynamics, where he earned his doctorate specializing in flight mechanics, lightweight structures, and control systems.
David’s career began with hands-on experience at Diamond Aircraft and in the Austrian Air Force, giving him both practical insight and strategic perspective. Today, he leads a team of 80+ engineers and specialists at ERC System—working across disciplines to deliver a certifiable, scalable aircraft platform capable of bridging the time-cost gap in emergency response and regional mobility.
At The eVTOL Show, Dr. Löbl will share insight into ERC’s mission to create a mission-ready, hybrid VTOL system, and explore how next-generation design thinking, system-level safety, and sustainable propulsion are converging to redefine vertical mobility.
ERC System
Marco Stuhlpfarrer

Marco
Stuhlpfarrer LinkedIn

ERC System
Co-Founder & VP of Technology and Innovation,
ERC System
Dr. David Löbl is an accomplished aerospace engineer and visionary leader shaping the next era of air mobility. As Co-Founder and CEO of ERC System, he is spearheading the development of a groundbreaking electric VTOL platform designed to transform mission-critical air transport—starting with medical emergency response. Under his leadership, ERC System is pushing the boundaries of what’s possible in vertical flight by integrating hybrid-electric propulsion, full-scale VTOL capability, and modular, certifiable design for real-world applications.
David brings over 15 years of deep technical and leadership experience in advanced aviation. Prior to founding ERC in 2020, he served as Chief Technology Officer at AutoFlightX, where he led development of the V600 prototype—contributing to significant advances in manned electric aircraft and autonomous VTOL technologies. Earlier, he was a research associate at the Technical University of Munich’s Institute of Flight System Dynamics, where he earned his doctorate specializing in flight mechanics, lightweight structures, and control systems.
David’s career began with hands-on experience at Diamond Aircraft and in the Austrian Air Force, giving him both practical insight and strategic perspective. Today, he leads a team of 80+ engineers and specialists at ERC System—working across disciplines to deliver a certifiable, scalable aircraft platform capable of bridging the time-cost gap in emergency response and regional mobility.
At The eVTOL Show, Dr. Löbl will share insight into ERC’s mission to create a mission-ready, hybrid VTOL system, and explore how next-generation design thinking, system-level safety, and sustainable propulsion are converging to redefine vertical mobility.
LYTE Aviation
Freshta Farzam

Freshta
Farzam LinkedIn

LYTE Aviation
Founder & CEO,
LYTE Aviation
Freshta Farzam is the bold visionary behind LYTE Aviation, a company disrupting conventional air mobility paradigms with the development of the world’s first 40-seat hybrid-hydrogen eVTOL aircraft—the LA-44 SkyBus and SkyTruck. As Founder and CEO, Freshta is redefining what’s possible in advanced air mobility, moving beyond four-seater prototypes to deliver scalable, runway-independent solutions for mass passenger and cargo transport.
With a career spanning strategy, innovation, and clean tech, Freshta has worked across Europe, South America, the UK, and the U.S., leading projects in green hydrogen, carbon capture, direct air capture, e-mobility, and UAM infrastructure. Prior to founding LYTE Aviation in 2020, she served as Director of Strategy & Innovations at BOLDWINS, where she built high-impact collaborations around renewable energy, green infrastructure, and breakthrough mobility technologies. Her approach blends entrepreneurial drive with systems-level thinking—connecting bold ideas with actionable, financeable outcomes.
Freshta is a firm believer in the power of ambition and unconventional thinking. Her leadership style and “all-or-nothing” approach have earned LYTE Aviation global attention for challenging industry norms and scaling up UAM solutions to meet the real demands of intercity and regional travel. With a projected range of 1,000 km, zero-runway operation, and capacity for up to 40 passengers, LYTE’s SkyBus is designed to transform mass transit, humanitarian logistics, and point-to-point commuting.
At The eVTOL Show, Freshta will share her insights on scaling advanced air mobility beyond prototypes, building a global innovation ecosystem, and how hydrogen-hybrid propulsion, infrastructure collaboration, and bold leadership are key to unlocking the future of clean, high-capacity aviation.
NEX Aero
Johannes-Garbino-Anton

Johannes
Garbino-Anton LinkedIn

Nex Aero
CTO & Co-Founder,
NEX Aero GmbH
Volocopter
Sebastian-Mores

Sebastian
Mores LinkedIn

Volocopter
CTO,
Volocopter GmbH
flyvbird
Timo-Zehetmayr

Timo
Zehetmayr LinkedIn

FlyV
Operations Manager – Start Up Team Member,
flyvbird Gmbh
Better Futures AI
Anthony-McLoughlin

Anthony
McLoughlin LinkedIn

BetterFuturesAI
Founder & CEO,
BetterFutures.ai
Dufour Aerospace
Simon-Bendrey

Simon
Bendrey LinkedIn

Dufour Aerospace
Head of Design,
Dufour Aerospace
itk Engineering
Dr.-Holger-Kühner

Dr. Holger
Kühner LinkedIn

itk Engineering
Expert Cyber Security,
ITK Engineering
Leonardo Helicopters
Mauro-Berzovini

Mauro
Berzovini LinkedIn

Leonardo
Head of Partnerships & Funding – Scouting and Management, Leonardo Helicopters
Lufthansa Consulting
Barbara-Verdejo

Barbara
Verdejo LinkedIn

Lufthansa Consulting
Associate Consultant,
Lufthansa Consulting
SensXpert
Nicholas-Ecke

Nicholas
Ecke LinkedIn

SensXpert
Application Engineer,
SensXpert
CH Aerospace
Christian_Heller

Christian
Heller LinkedIn

CH Aerospace
Independent Business Development and Supply-chain Expert in Aerospace & eVTOL, CH Aerospace
Biesterfeld Group
Víctor-Jiménez

Víctor
Jiménez LinkedIn

Biesterfeld
Business Development Manager Composites, Biesterfeld
Unisphere GmbH
Dr.-Christoph-Selig

Dr. Christoph
Selig LinkedIn

Unisphere
Chief Commercial Officer & Co-Founder,
Unisphere
Composites Lounge
Ilkay-Özkisaoglu

Ilkay
Özkisaoglu LinkedIn

Composites Lounge
Co-Founder and Facilitator,
The Composites Lounge

If you would like to join the 2026 speaker faculty, we’d love to hear for you contact us