• Alpha Rho Chi, Architectural/Social Fraternity (past president)

• American Institute of Architects (Chapter President 1981)

• California Preservation Foundation (member)

• California Trolley & Railroad Corp. (Executive Board member)

• Construction Specifications Institute (Treasurer)

• Donner Pines Homeowners Association (architectural committee chair)

• Friends of the Winemakers (member)

• Gargoyle Architectural Honor Society

• International Conference of Building Officials (Member)

• National Trust for Historic Preservation; Heritage Council (County)

• Preservation Action Council, San Jose Advisory Board

• Rotary Club of Campbell, CA (Past President)

• San Jose Metropolitan Chamber of Commerce

• Tau Beta Pi & Sigma Tau, Engineering Honor Societies

• Willow Glen Beautification Project Committee, Chairman 1995 (Treasurer)

• Willow Glen Business & Professional Association Board (Treasurer)

• Willow Glen Parking Advisory Task Force (1994)