Dr. Carmichael Roberts is Chairman of the board of directors for SAMDI Tech as well as a Managing Partner at Material Impact Fund and a General Partner at North Bridge Venture Partners. Prior to North Bridge, Carmichael co-founded several ventures and the non-profit Diagnostics For All, and served as President and CEO of Arsenal Medical.

Previously, Dr. Roberts worked in business development at GelTex, Inc. and was responsible for new product and business development at Union Carbide. He earned a doctorate in organic chemistry from Duke University, served a postdoctoral fellowship at Harvard University and earned an MBA from MIT Sloan.