- Bowdoin College, Maine; Professor, 1962-2012
 - Richard E. Steele Professor of Visual Arts, 2001-2012
 - New York Drawing Association (currently the New York Academy of Art), Founding Advisor, 1982
 - Princeton University; Lecturer, Visual Arts Program, 1969-71
 - Massa Lubrense, Italy (Sorrento); taught and directed Summer Art School, 1967
 - University of California, Santa Barbara; Instructor in Art, 1960-62
 
