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Hydrogen and electrics: the great disruptive propulsion debate
The past two years have seen huge advances in electric propulsion. However, battery weight is a major barrier to scaling up the technology to become commercially viable for anything larger than small general aviation aircraft. Is hydrogen then the breakthrough power source that will allow the industry to transition towards zero-net-carbon? Perhaps, but, again, developments are still in their infancy. Our expert panel will discuss whether hydrogen, electric, or hybrid-electric propulsion represents the best bet for a sustainable future for aviation.

Exclusive Speakers:
Josef Kallo, Co-Founder and CEO @H2FLY
Nikhil Sachdeva, Global Lead for Sustainable Aviation @Roland Berger
Michael Winter, Senior Fellow, Advanced Technology @Pratt & Whitney
Andreas Aks, Chief Executive @Wideroe Zero

Exclusive partner: Pratt & Whitney


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Nikhil Sachdeva
Global Lead for Sustainable Aviation @Roland Berger
Nikhil Sachdeva is the Global Lead for Sustainable Aviation at Roland Berger and an expert in the complexities of reducing commercial aviation's climate impact to zero. Nikhil leads Roland Berger's work into how the aviation sector can transition to novel technologies, from electrical propulsion to hydrogen and SAFs, as well as the commercial and technological implications for the aerospace sector, and wider value chain implications. As a consultant, he specialises in strategy projects for aerospace and aviation clients, having worked with major aerospace OEMs, suppliers, as well as major airlines. Nikhil holds a Masters in Engineering from Imperial College and an MBA from the Harvard Business School.
Dr. Michael Winter
Senior Fellow, Advanced Technology @Pratt & Whitney
Michael is the Senior Fellow for Advanced Technology at Pratt & Whitney, where he leads the company’s technology portfolio internally and represents it externally. He is responsible for development and maturation of the Company’s technology portfolio, including identification and prioritization of technologies, establishing intellectual property basis, technology licensing, and technology partnership programs. Most recently he served as Director of Systems & Controls Engineering (SCE) at United Technologies Corporation, a world-wide corporation supplying a broad range of high-technology products and services to the fast-growing aerospace and building industries. He led the SCE organization to provide UTC’s business units with the competency, capacity and tools needed to deliver the complex cyber-physical systems that are the core of UTC products.
Josef Kallo
Co-Founder and CEO @H2FLY
Dr. Josef Kallo is the co-founder and CEO of H2FLY, a premier hydrogen propulsion company headquartered in Stuttgart, Germany. As an entrepreneur he financed the first round of H2FLY, aiming very early for a qualified transfer of technology from basic knowledge to a first flying prototype. Subsequently, H2FLY has integrated multiple generations of hydrogen fuel cell electric powertrain into a passenger aircraft – the HY4. Extended flight test campaigns showed the feasibility of megawatt-scale applications. Under his leadership, a 40-seater aircraft is being equipped with a megawatt hydrogen fuel cell electric propulsion aiming for a first product. He has an extensive background in power electronics and energy technologies, with international research collaboration with partners in Japan (JAXA), France (CEA, Onera), and Spain (INTA).
Andreas Aks
Chief Executive @Wideroe Zero
Andreas Kollbye Aks has been Chief Strategy Officer at Widerøe since 2019. Aks joined Widerøe's Flyveselskap in 2016 as Deputy Operations Director and led the company's restructuring from exclusively propeller operation to the phasing in of Embraer E2 jets in 2018. His previous experience includes a position as a Strategy Advisor at PwC (PricewaterhouseCoopers) with experience from both civil and military aviation. Aks has education in finance, management and economics with a bachelor's degree from the Norwegian School of Management, BI, and Universitât Sankt Gallen. He also holds a master's degree from the University of Saint Andrews.