Bob Gruenstern

Bob Gruenstern has served as Global Vice President of Product and Advanced Engineering at Johnson Controls. After graduating from the University of Wisconsin with a BS in Chemical Engineering, Gruenstern has been a lifelong engineer at Johnson Controls. He oversaw the research and development of JCI’s core product innovations, and acted as Director of Engineering at Johnson Controls for 16 years. He is also a leader at Interstate Batteries, the world’s largest battery distributor, where he guides product assurance and technology. He has been a member of Gridtential’s Technical Advisory Board since October 24, 2017, where he has provided valuable engineering and product innovation insights to the Gridtential team.