R. A. STEFFENHAGEN taught at Rochester Institute of Technology from 1955 to 1966, when he went to the University of Vermont, from which institution he retired as full professor in 1988. He has a very diverse background, all of which has contributed to his theoretical work. He is a social psychiatrist with a strong background in phenomenology and demography, and is a clinical psychologist.
He has extensive experience in drug research, has published numerous articles, and has presented papers at national and international conventions. His articles have appeared in the International Journal of Social Psychiatry, International Journal of the Addictions, Journal of Individual Psychology, Drug Education, American Journal of Psychiatry, Drug Forum, Deviant Behavior, and The Indian Journal of Clinical Hypnosis.
He has been able to apply knowledge from his empirical research to the development of self-esteem theory of deviance and, in turn, to apply this theory to the development of the current self-esteem therapy. He belongs to the American Psychological Society and American Society of Clinical Hypnosis.
He has appeared in American Men of Science, Who's Who Among Human Service Professionals, Men of Achievement, Distinguished Americans, and Two Thousand Notable Americans.