Mason W. Freeman

Mason W. Freeman, MD is Professor of Medicine at Harvard Medical School and serves as Chief of the Lipid Metabolism Unit and Director of Translational Medicine at Massachusetts General Hospital (MGH). Trained in internal medicine and endocrinology, Dr. Freeman has spent twenty years studying the trafficking of cholesterol into and out of macrophages.

He graduated from Harvard and received his MD at the University of California, San Francisco. He served as an intern, resident, endocrinology fellow, and Chief Resident in Medicine in the Department of Medicine at MGH. He trained as a post-doctoral research fellow in the Biology Department at MIT where he cloned the first macrophage scavenger receptor to be molecularly identified.