John Lambdin, Ed.D.
Chair, Professor of Social Sciences, Professor of Psychology

302 Berchmans Hall

B.A., Lynchburg College
Ed.D., Boston University

Dr. Lambdin is a licensed psychologist who was in private practice providing psychotherapy for adults and families for more than 38 years. He has taught psychology in graduate and undergraduate schools, and served as a consulting psychologist in public and private elementary and secondary schools. He is interested in the practical application of psychology to all areas of human behavior. He is also interested in the role of humor in learning and mental health, and psychology in the media. Dr. Lambdin has been a professor at the Elms since January 2000.

Diana Lewis, Ed.D.
Professor of Psychology

302 Berchmans Hall

B.A., Florida International University
M.S., University of Miami
Ed.D., American International College

Dr. Lewis is an educational psychologist who has worked as a reading clinician and conducted research in the area of language-based learning disorders and school bullying. Most recently, her interests have been in suicide prevention. Dr. Lewis teaches undergraduate and graduate psychology courses, in addition to serving as faculty advisor to the Active Minds Club to promote mental health awareness on campus.

Jennifer Rivers, Ph.D.
Associate Professor of Psychology

302 Berchmans Hall

B.A., Purdue University Calumet
M.A., Southern Illinois University Edwardsville
Ph.D., Saint Louis University

Dr. Rivers is an experimental social psychologist with research interests in basic processes related to self-concept change, social influence (e.g., cognitive dissonance, and reactions to feedback about the self), and prejudice. She has worked for the School of Public Health at Saint Louis University conducting research on public response to emergency health directives related to bioterrorism events. Dr. Rivers teaches courses in research methods, statistics for the behavioral sciences, general psychology, and social psychology. She is also advisor to the Psychology Club.

Generic Male PlaceholderPeter G. Marcus, Psy.D.
Academic Program Coordinator for the Accelerated Bachelor’s Degree Programs in Psychology at Mount Wachusett and Holyoke Community Colleges

B.A., University of Colorado, Boulder
Psy.D., Nova Southeastern University

Dr. Marcus is a clinical psychologist who worked as a psychotherapist/counselor in several university counseling centers including Northern Arizona University, Boston College (postdoctoral fellowship) and Western Connecticut State University. In 2004, he shifted his career focus to teaching. He taught for 10 years at the Borough of Manhattan Community College/City University of New York up until his arrival at Elms College in 2013.

His primary interests are in cross-cultural psychology and psychology and the arts. He wrote his doctoral dissertation on counseling Native Americans college students from the Navajo, Hopi and Apache tribes. He has published one collection of poetry and his poems have appeared in more than 60 literary journals. In addition, he has won several poetry fellowships and grants. When not engaged with psychology or poetry, he prefers a peripatetic existence and to date has traveled to nearly 100 country over the last 25 years.