About Us

BJ Johnson is a leading expert in power systems decarbonization, specializing in transitioning heavy-duty internal combustion to sustainable fuels. He holds a Ph.D. in Mechanical Engineering from Stanford University, where his foundational research in advanced combustion strategi…

Katrina Karch is a leader that holds a degree in Aeronautical and Astronautical Engineering from Purdue University and a Master’s in Mechanical Engineering from The Ohio State University, bringing a sophisticated, cross-disciplinary approach to alternative fuel combustion. Prior …

Nick Karch leads the technical execution and systems architecture at Diamond Power. A graduate of the University of Florida with a degree in Mechanical Engineering, Nick is a Licensed Professional Engineer (PE), bringing a high level of technical authority and a commitment to rig…

Cummins VP and CTO, International Council on Clean Transportation, SAE Fellow, Chevron Fuels Research, ASME Soichiro Honda Medal, CARB Haagen-Smit Clean Air Award. Industry leader on diesel emissions.

Cummins Chief Engineer, Executive Director, CTO India, CTO Components. John Deere, SAE Executive Committee Member. Currently advising several clean energy start-ups.

Grammer Logistics VP Government Relations, CEO of Vickery Transportation, Director of National Tank Truck Carriers, Chairman of the Indiana Motor Truck Association. Leader in Ammonia transportation and logistics

Cummins VP of Power Systems, Navistar Director of Engineering, Technical Inspector for International Motorsports Association. Decades of experience in the power generation market.

Current CEO and President of AEI, co-inventor of the exhaust gas recirculation system at Cummins, board advisor for banks.

AEI Founder and current CTO, Inventor of the world’s first real-time lube oil soot analyzer, Leader of diesel emissions

17 years of experience in internal combustion research and development at AEI. FAA Certified A&P.