Terrence McClellan has designed scenery and/or lighting for a diverse range of clients such as the Chicago Opera Theatre, Des Moines Metro Opera, The Beach Boys, Goodman Children's Theatre, The National Cable Television Association, and the Transamerica Life Insurance Companies. These projects were produced in many theatrical fields including opera, commercial and academic theatre, cable television, corporate communications and entertainment.
Professor McClellan has also taught at the State University of New York and the University of Iowa. His special interest is computer visualization of theatrical space, a skill he developed and uses extensively in his professional career as a designer and illustrator/renderer. He is a member of U.S.A.A.