Various positions Massachusetts General Hospital, Boston, 1966-1967. Administrative resident New York University Medical Center, 1968, administrative assistant, 1969-1970. Assistant administrator University Hospital, New York University Medical Center, 1970—1976, associate administrator, 1976—1979, administrator, vice president operations, 1979—1982, 1982—1986.
Executive director Vanderbilt University Hospital & Clinic, Nashville, 1985-1998. Executive vice president clinical affairs Vanderbilt University Medical Center, since 1998. Executive director and Chief Executive Officer Vanderbilt University Hospital and Clinic, 2002—2005.