 He has also been an artist in residence at many institutions for short periods, most notably at Skowhegan, the International School in Umbria, Rice University, the University of Utah, Arizona State University, and Dartmouth College.During the past half century McGarrell had more than a hundred solo exhibitions at galleries and museums in America, England, France, and Italy.His paintings, prints, and drawings have been included in hundreds of exhibitions in the United States, South America, Europe, and Japan.