Board of Underclass Advisers, 1968-1979

University Committee on Graduate Student Affairs, 1970-1972

Faculty Council of the College of Arts and Science, 1974-1976

Search Committee for the Mathematics Department Chair (chair), 1975-1976

Administrative Committee of the College of Arts and Science, 1975-1978

Faculty Senate and Senate Committee on Academic Policies and Services, 1978

Math Department Undergraduate Committee, 1977-1979

Applied Mathematics Search Committee, 1976-1977

Committee on Educational Programs, 1980-1983

Faculty Council of the College of Arts and Science, 1979-1981

Faculty Senate, 1983-1986

Math Department Committee on Computers in Teaching (chair), 1983-1986

College of Arts and Science Task Force on Instructional Computing, 1983-1986

Admissions Committee of the College of Arts and Science, 1984-1990, 1986-1988 (chair)

Natural Science Subcommittee of the University Research Council, 1984-1986

College of Arts and Sciences ad hoc Committee on Special Programs, 1984-1986

Math Department Graduate Committee, 1988-1994

Board of Advisors of the Honor Council, 1988-1989

ad hoc Committee on Student Retention, 1988-1989

Committee to Examine the Mathematics Major, 1988-1989

College of Arts and Science ad hoc Committee on Instruction in Statistics (chair), 1989

Graduate Faculty Council, 1991-1994

Student Affairs Committee of the Graduate Faculty Council, 1992-1993

Executive Committee of the Graduate Faculty Council, 1993-1994

University Calendar Committee, 1993-1997

CPC Subcommittee on Natural Science, 1994-1995

Venture Fund Committee, 1995-1996

Graduate Faculty Council, 1995-1998

Executive Committee of the Graduate Faculty Council, 1993-1994

Math Department Publicity Committee, 1995-1996

Committee on Non-Tenure-Track Applicants in Algebra (chair), 1995-1996

Search Committee for the Senior Position in Algebra, 1997

Natural Science Subcommittee of the University Research Council, 1997-2000

Math Department Committee on Graduate Student Teaching, 1997-2000

College Program Committee, 1996-2002.

Faculty Council of the College of Arts and Science, 1996-1998

Math Department Graduate Committee, 1990-1995

CPC Subcommittee on Natural Science, 1997-2000

Graduate Faculty Council (vice-chair), 1997-1998

Faculty Council of the College of Arts and Science, 1999-present

Faculty Senate, 1999-2002

Faculty Senate Committee on Senate Affairs (chair), 2000-2001

Faculty Senate Committee on Student Affairs (chair), 2001-2002

College Program Committee (chair), 2001-2002

Math Department Undergraduate Committee, 2002 - 2005.