Civil Engineer, Bramalea Pacific, Incorporated, Denver, CO, and Oakland, CA; Civil Engineer, William and Burrows, Construction Company, San Francisco, CA; Civil Engineer, Forell Elsesser Engineers, Incorporated, San Francisco, CA; Civil Engineer, Skidmore, Owings and Merrill, Architects, San Francisco, CA; Partner, Seidel/Holzman, Architects, San Francisco, CA;

University of California, Berkeley, Visiting Design Critic;

Registered Civil Engineer in CA;

B.S. Civil Engineering, University of California, Davis, Davis, CA, 1981; Masters of Science in Real Estate Development, Massachusetts Institute of Technology, Cambridge, MA;

Member, Advisory Board, Romburg Tiburon Center for Environmental Studies, Tiburon, CA, a part of San Francisco State University, San Francisco, CA, c. 2011.