flow-batteries
(2)Chris Holmes
Chris Holmes is the President and CEO of AvCarb Material Solutions, a Lowell, Massachusetts maker of engineered carbon materials - the felts, fabrics, and papers that quietly sit at the heart of hydrogen fuel cells, electrolyzers, and flow batteries. An MIT-trained systems engineer with a hybrid technical-and-business background, he is a turnaround specialist who has led high-technology businesses from start-up scale to north of $200M in revenue, largely inside private-equity portfolios. At AvCarb he is steering a company with 1960s roots toward the center of the clean-energy transition.
Murari Ramkumar
Murari Ramkumar is the founder and CEO of Vimano, a deeptech materials startup building PFAS-free, ion-conductive membranes for flow batteries, green-hydrogen electrolyzers and fuel cells. A materials scientist trained at NITK Surathkal and the University of Pennsylvania, he co-founded the company in 2019 with Dr. Nagesh Kini and is chasing an audacious goal: to put a Vimano membrane inside one of every two large-scale energy storage devices, electrolyzers and fuel cells on the planet. In 2025 Vimano raised roughly $2.9 million in seed funding led by Ankur Capital.