
Sami Rahman is the CEO of CleanFiber, the Buffalo-based maker of high-performance cellulose insulation spun from recycled corrugated cardboard. A chemical and environmental engineer turned building-materials operator with 20+ years across James Hardie and ICP Group, he joined CleanFiber in January 2025 as President and General Manager and was elevated to CEO after sharpening its sales and operations. He is steering a company that ranked #1 in manufacturing on the 2024 Inc. 5000 list through a Series C raise and the ramp of a plant built to ship over three million bags a year.
John T. Ehrbar is a career YMCA leader who, starting January 26, 2026, takes the helm as President and CEO of the YMCA of Silicon Valley after six years running YMCA Buffalo Niagara. He has spent over two decades inside the Y movement, climbing from a high school Leaders Club kid in northeast Ohio to running an 80-million-dollar nonprofit serving 2,300 staff across the Bay Area.