He was the 32nd President of ASTS and President of the 2006 World Transplant Congress. he established New England’s first liver transplant program in 1983; New England’s first pancreas transplant program in 1986; New England’s first intestine transplant program in 1991; and the world’s first successful tolerance induction program in 1998. Dr. Cosimi has had a special interest in highly selective suppression of transplant immunity, initially using antithymocyte globulin and then monoclonal antibodies. He was the first to demonstrate in 1980 the efficacy of OKT3 monoclonal antibody for treatment of allograft rejection.