Speaker's profile
Josef Kallo
H2FLY GmbHBIOGRAPHY
Josef Kallo is the co-founder and Chief Technology Officer (CTO) of H2FLY, a Stuttgart-based company specializing in hydrogen-electric powertrain systems for aircraft.
As an entrepreneur, he led the initial financing of H2FLY to transition technology from basic research to the first flying prototype. Under his leadership, H2FLY achieved the world’s first liquid hydrogen flight of the HY4 aircraft and developed a high-performance fuel cell system for Joby’s hydrogen-electric eVTOL aircraft, demonstrating the potential of hydrogen-electric powertrains for commercial aviation.
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