Joseph Plaud: Widely Published Expert Joseph Plaud is a licensed psychologist, and the Executive Director of Applied Behavioral Consultants, LLC. He has written more than one hundred scientific publications in clinical and forensic psychology. Joseph Plaud has taught courses at numerous colleges and universities, and has been on the faculties at Brown University, Worcester State University, University of North Dakota, and Northeastern University. He received his Ph.D. in clinical psychology from the University of Maine in 1993.