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August 11-13, 2020
Kay Bailey Hutchison Convention Center
Dallas, TX

Prof. Doc. Josef Kallo

Founder and CEO


Dr. Kallo Is the Founder and CEO of H2FLY a premier hydrogen propulsion company headquartered in Stuttgard, Germany. Under his leadership, H2FLY has integrated a new electric powertrain, powered by hydrogen fuel cells into a 4 seat aircraft – HY4. 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). He has published over 30 articles in ISI listed journals and is co-author of 12 patents and patent applications. From 1999 to 2006, he was the project Engineer at the General Motors, Global Alternative Propulsion Center in Mainz-Kastel focused on application of hybrid powertrains for automobiles as well as test engineer for hydrogen applications. He has coordinated numerous research projects focused on battery and hybrid electric powertrain architectures and implementation for aircraft and acted as chairman of the E2Flight electric flight conference from 2014 to 2021. Since 2015, when he was appointed a Full Professor at the University Ulm, he leads research in energy management for hybrid powertrains, and in 2017 assumed the position of Primary Investigator at the university’s Helmholtz Institute for Electrochemical Energy Storage. He holds a doctoral degree in electrical engineering from University Ulm.