Kenneth Kaushansky, M.D., Master of the American College of Physicians (MACP) (born October 20, 1953) is an American medical doctor, hematologist, former editor of the medical journal Blood, and has served as the Dean of the Stony Brook University School of Medicine since July 2010. Prior to moving to Stony Brook, he was the Helen M. Ranney Professor, and Chair of the Department of Medicine at University of California, San Diego School of Medicine.