Richard D. Weisel, CM FRCSC[1] is a Canadian-American cardiovascular surgeon and a professor of surgery at University of Toronto.
He is also a researcher specializing in myocardial protection, cardiac regeneration and stem cells.
He completed his residency in general surgery at Boston University School of Medicine from 1969 to 1975.
During his residency, he spent 2 years as a NIH funded research fellow in thoracic surgery at Boston University.
He served as the chair of the division of cardiac surgery at University of Toronto from 1998 to 2009.