Fellow, American Society of Landscape Architects. (2000-present)
Member, Library of American Landscape History Planning Committee.
Member, Friends of Gas Works Park. (1998-present)
Advisory Board Member. Spacemaker Press. (1996-present)
Member, The Garden Conservancy. (1995-present)
Director, The James Rose Center. (1991-present)
Member, Council of Educators in Landscape Architecture.
Member, American Society of Landscape Architects. Open Committees
on Residential Design, Design-Build and Historic Preservation. (1986-2000)
Member, Boston Society of Landscape Architects. (1986-present)
Registered Landscape Architect, State of Massachusetts #864.