Project Designer, Marquis Associates, San Francisco, CA; Partner, Marquis Associates, San Francisco, CA, c. 1978; shortly thereafter she became Head of the Marquis Associates Design Studio. Partner, Simon Martin-Vegue Winkelstein Moris Architects, San Francisco, CA, 1985-c. 2010; Design Principal, Perkins + Will, Architects, San Francisco, CA, c. 2010; at Perkins + Will, Simon directed the "San Francisco office’s Civic, Corporate + Commercial market sector." (SeeAccessed 05/26/2010.)

Professor, University of California, Berkeley (UCB), Berkeley, CA; Instructor, University of California, Santa Cruz (UCSC), Women's School of Planning and Architecture.

Simon served as a member of the University of Washington Architectural Commission in 2013, along with Dean John Schaufelberger, lansdcape architect Linda Jewell, architect John Syvertsen, and student representative Christopher Tritt.

Fellow, American Institute of Architects (FAIA).

B.A., Wellesley College, Wellesley, MA. M.Arch., Harvard University, Graduate School of Design, Cambridge, MA.

She was known by colleagues as "Cathy."