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- Professor of Communication Studies Northwestern University, 1977
- Associate Professor of Communication Studies, Northwestern University, 1972‑77
- Assistant Professor of Public Address and Group Communication, Northwestern University, 1969‑72
- Assistant Professor and Non‑resident Senior Officer of Dudley House, Harvard University, 1968‑69
- Instructor of Speech and Non‑resident Senior Officer of Dudley House, Harvard University, 1966‑68
- Lecturer in Speech, Harvard University, 1965‑66
- Teaching Fellow, University of Pittsburgh, 1963‑64
- Oral Communication, Harvard University
- Persuasion, Harvard University
- Black Rhetoric, Harvard University
- Public Speaking, Northwestern University
- Language & Thought (retitled Persuasive Images: Rhetoric of Popular Culture), Northwestern University
- Seminar: Persuasion, Northwestern University
- Rhetoric and the Arts, Northwestern University
- Seminar: Contemporary Strategies in Communication, Northwestern University
- Seminar: Field Study Approach to Communication, Northwestern University
- Consumer Communication, California State University at Los Angeles
- Oral Communication, California State University at Los Angeles
- Rhetoric of Popular Criticism, Northwestern University
- Field Study in Public Communication, Northwestern University
- Persuasive Images: Rhetoric of Contemporary Culture, Northwestern University
- Development and Marketing of Popular Culture, Northwestern University
- Public Communication and Crisis Management, MSC, Northwestern University
- Persuasion, Sports, and Entertainment, Northwestern University
- Rhetoric of Superheroes, Northwestern University
- Rhetoric of Sports Films, Northwestern University
- “Rhetoric and the Basic Course,” Chairman, Speech Communication Association, Summer Conference, Chicago, 1970
- “Interpersonal Communication,” Colorado Speech and Drama Association, State Convention, Vail, 1973
- “How to Meet the Media,” Industrial Research Institute Workshop, Harrison House, Chicago, 1979
- “Media Encounter Workshop,” The Executive Program for Senior Public Officials, Allen Center, Northwestern University, 1979, 1980
- “How to Make a Public Presentation,” Cooper & Lybrand Seminar, Allen Center, Northwestern University, 1980, ’81, ’82
- “Communication and Engineering,” Co‑Director, School of Speech Seminar, Allen Center, Northwestern University, October, 1980
- “Making a Public Presentation,” National Trust School, Northwestern University, 1980
- “Meeting the Media,” American Red Cross, Executive Development Institute, Allen Center, Northwestern University, 1980, ’81, ’82, ’85
- “Rhetoric and the Arts,” Speech Communication Association, Anaheim, California, 1981 (Co‑Director)
- “The Television Interview,” Plant Manager’s Council, Lake Forest School of Management, March, 1981
- “Communications and Marketing Institute, Featured Speaker, American Red Cross, Orlando, Florida, February, 1983
- “Meeting the Media,” American Red Cross (Chicago Chapter), September, 1983, June, 1984
- “Meeting the Media,” Dean Foods, November, 1986
- “Public Communication,” Mott’s USA, July, 1988
- “Crisis Management,” Internal Revenue Service, June 1991
- “Meeting the Media,” with David Axelrod, Democratic Leadership Council, August, 1992
- “Meeting the Media, State’s Attorney’s Office of Cook County, March, 1993
- “Winning Communication Concepts in a Competitive Environment,” Bell, Boyd & Lloyd, 1995
- “Gender Communication,” Network of Healthcare Management, September, 1995
- “USOC Sports Marketing,” United States Olympic Committee – Colorado Springs, Program of Kellogg School of Management Center for Nonprofit Research, March, 2009
- “Crisis Communication” Seminars, Master of Science in Communication (MSC), 2009-2019