Founding Partner, 450 Architects, Incorporated, San Francisco, CA, 1995-present;

Visiting Instructor, Eidgenössische Technische Hochschule, (ETH), Zurich, Switzerland; Visiting Critic, Columbia University, New York, NY; Visiting Critic, Massachusetts Institute of Technology (MIT), Cambridge, MA.

Board of Directors, Architects Designers Planners for Social Responsibility, c. 2010; LEED Accredited Professional, c. 2010;

B.Arch., Cornell University’s College of Architecture, Art and Planning, Ithaca, NY; Bushnell and his partner, Richard Lee Parker, met each other at Cornell.