Her diverse background in urban planning and design, land use law, urban sociology and psychology informs more than ten years of public space research.

Dr. Williamson holds an M.A. and Ph.D. in Social Ecology from the University of California, Irvine, School of Social Ecology.  She is a member of the American Planning Association, The Congress for New Urbanism, and the Urban Land Institute.  She also serves as Planning Commissioner for the City of Claremont, California.