 He subsequently taught at multiple institutions such as University of California, Los Angeles (1990), Ohio University (multiple appointments between 1991 and 2007), University of Southern California (1995 to 2000) and Chemnitz University of Technology (2009).He also served as visiting faculty on multiple institutions globally during the period.In 2007, he was appointed as the "Samuel Shirley and Edna Holt Marston Endowed Professor of Communication" and Director of Social Justice Initiative at University of Texas at El Paso.