Richard Zweigenhaft Richard L. Zweigenhaft is the Charles A. Dana Professor of Psychology at Guilford College. He received a B.A. from Wesleyan University, an M.A. in Social Psychology from Columbia University, and a Ph. D. in Personality and Social Psychology from the University of California, Santa Cruz. He has taught at Guilford since 1974, where he has served as the chair of the psychology department (many times), as the chair of the social science division, and as the director of the interdisciplinary minor in Communications. He is the author and coauthor of many articles, and the coauthor (with G. William Domhoff) of a series of books on the American power structure, the most recent of which is The New CEOs: Women, African American, Latino, and Asian American Leaders of Fortune 500 Companies (2014).