Mayo Clinic Alumni Association 73rd Biennial Speakers Stephen Burkhart, M.D. (OR ’81) Mary Burritt, Ph.D. (PATH ’78) Yolanda Colson, M.D., Ph.D. (MED ’89) Gerald Gleich, M.D. (IMM ’77) Michele Halyard, M.D. (RADO ’89) Morey Haymond, M.D. (PD ’78) Celestia Higano, M.D. (I ’82) Daniel Hurley, M.D. (I ’83, ENDO ‘86) Stephen Merry, M.D. (FM ’05) Ronald Petersen, M.D., Ph.D. (MED ’80, N ’84) Colin West, M.D., Ph.D. (I ’03, CMR ’04)