Mason Freeman

Mason Freeman is a Venture Partner at 5AM Ventures, an early-stage life sciences investment firm based in Boston, Massachusetts. As a medical doctor and venture capitalist, he specializes in identifying and supporting emerging biotechnology companies through their critical early phases of development. Prior to his current investment role, Freeman served as Head of the Translational Medicine Center at Novartis, directing complex clinical development strategies for novel therapeutics. He also holds academic and clinical appointments as a Professor of Medicine at Harvard Medical School and a practicing physician at Massachusetts General Hospital. Throughout his career, he has focused on lipid metabolism, endocrinology, and the transition of early-stage scientific discoveries into viable clinical trials. Freeman leverages his deep medical expertise and corporate leadership background to guide strategic biotech investments and advise portfolio companies on future clinical pathways.