Prof Memberships

American Institute of Architects, Honorary Member, 1993 to present.

Association for Preservation Technology International, Board of Directors, 1969-1971, Chairman, Membership Committee, 1969-71.

Association for the Preservation of Virginia Antiquities, Advisory Committee, 1990

Historic Fredericksburg Foundation, Inc., Board of Directors, 1987-1988, Chairman, Conservation Committee, 1987-88.

Kathmandu Valley Preservation Trust, Board of Directors, 1993 to 1997, Honorary Director, 1998 to present.

National Council for Preservation Education, Treasurer and Executive Committee Member, 1992-1995.

National Institute for Conservation, Board of Directors, 1991-1993. Chair, Nominating Committee, 1991.

National Trust for Historic Preservation,

Member, Coalition for Architectural Craftsmen Training, 1991.

Member, Montpelier Advisory Committee, 1986 to 1995, Board of Directors, Oatlands, Inc., a property of the National Trust, 1978-90.

Honorary Director, Oatlands, Inc., 1990 to present.

Preservation Action, Board of Directors, 1978-1988.

Protect Historic America, Founding Advisory Board Member, 1994.

U. S. National Committee of the International Council on Monuments and Sites  [[US/ICOMOS]  Fellow, 1990 to present. Chairman, 1975-1979. Executive Committee, 1975-88, Committee on Professional Exchanges and Internships, 1995-present. Chair, Education and Training Committee, 1992.

Waterford Foundation , Board of Directors 1967-1971, Honorary Life Member.