Professor Halgin received his Ph. D. from Fordham University, and completed a 3-year fellowship in the Department of Psychiatry at New York Hospital-Cornell Medical Center, prior to joining the faculty of the University of Massachusetts in 1977. He is a Board Certified Clinical Psychologist and has had over two decades of clinical, supervisory, and consulting experience. At the University of Massachusetts, his course in Abnormal Psychology is one of the most popular offerings on campus, attracting an enrollment of more than 500 students each semester. In recent years, he has also offered this course at Amherst College and Smith College. His teaching has been recognized at the university and national level. A University of Massachusetts Alumni Distinguished Professor, he was honored with the University's Distinguished Teaching Award and his teaching was recognized by the Society for the Teaching of Psychology of the American Psychological Association. Professor Halgin is the author of more than fifty journal articles and book chapters in the fields of psychotherapy, clinical supervision, and professional issues in psychology.

Professor Whitbourne received her Ph. D. from Columbia University and has dual specializations in life-span developmental psychology and clinical psychology. She has taught at the State University of New York at Geneseo and the University of Rochester. At the University of Massachusetts, she received the University's Distinguished Teaching Award and the College of Arts and Sciences Outstanding Teacher Award. In 2002, she received the Psi Chi Florence Denmark National Faculty Advisor Award and presented the Psi Chi Distinguished Lecture at the Eastern Psychological Association 2001 meeting. She is the Honors Coordinator in the Psychology Department and the Director of the Office of National Scholarship Advisement in Commonwealth Honors College. The author of fourteen books and over one hundred journal articles and book chapters, Professor Whitbourne is regarded as an expert in the field of personality development in adulthood and old age. She is currently the APA Council Representative of Division 20 of APA (Adult Development and Aging), having also served as Division 20 President. She is also a Fellow of Divisions 2 (Teaching of Psychology) and 12 (Clinical Psychology). Professor Whitbourne has developed nationally recognized approaches to technological innovations in teaching, and the web site she developed for her introductory psychology course was selected as a McGraw-Hill Web Cafe "Site of the Month."