Dr. Thomas Chalkidis holds MEng, MSc and Ph.D. degrees in chemical engineering from the University of Patras. He has vast experience working on hydrogen production either from renewable or conventional fuels. Thomas has served HELBIO for more than 18 years holding different engineering and managing positions. He held the position of Chief Operating Officer for the last ten years, focusing on teams management, development & implementation of innovative processes, large project management and promotion of corporate identity in major international events. His area of expertise is heterogeneous catalysis, reactor design, catalyst development, process design & optimization, HazOp studies, and NOx pollution abatement.