Pierre Grondin, Canadian surgeon (born 1925)

Pierre Grondin, was a Canadian cardiac surgeon known for his contributions to heart transplantation and cardiac surgery. After completing postgraduate training with Michael DeBakey and Denton Cooley in Houston, Texas, Grondin introduced advanced techniques—such as open-heart surgery using the heart-lung machine and coronary artery bypass surgery—at the Montreal Heart Institute. In the early 1950s, he contributed to the development of open-heart surgery using the heart-lung machine. In May 1968, Grondin performed Canada's first successful heart transplant at the Montreal Heart Institute.