Director, Center for Technology in the Arts and Humanities (1997-1999)

Director, Critical Issues Forum, Solomon R. Guggenheim Museum (1996-)

Advisory Committee, Literary Studies(1994-1998)

Chair, Department of Religion (1990,1993)

Director, Center for the Humanities and Social Sciences (1987-1990)

Member of Board of Trustees, Scholars Press (1979-1982)

Chair, Research and Publication Committee, American Academy of Religion (1979-1982)

Chair, History of Ideas Program (1978-1993)