Stephen Cassell

Stephen Cassell is an Adjunct Professor at Columbia GSAPP. He is the Chair of the Van Alen Institute.

Cassell has twice served as the Shure Professor at the University of Virginia and as the Friedman Professor at the University of California at Berkeley. He has also taught at Harvard, Princeton, MIT, Syracuse, and the Rhode Island School of Design, among an array of leading institutions.

Cassell is principal and co-founder of Architecture Research Office, ARO. He started this New York-based firm together with Adam Yarinsky. The firm's focus is on the practice of modern architecture and visionary urbanism.

ARO has completed more than seventy-five projects across the US for clients such as Goldman Sachs, Princeton University, Prada, and the U.S. Army Corps of Engineers. The firm’s portfolio of work includes civic, academic, commercial, residential, and conceptual architecture.