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Applied Psychology Faculty

Offered in an online format, courses in Rosemont’s BA in Applied psychology program are facilitated by outstanding experts in the field. Learn about our exceptional faculty, and how their extensive experience and research can help you meet your goals. Prepare for a career, or for graduate study in related disciplines.

Abbey Wexler, MA/MA

With nearly 25 years of experience working in academia, Abbey Wexler earned a Masters of Art in English from Temple University and a Master’s of Arts in Counseling Psychology from Rosemont College. Her clinical experience is from University of Pennsylvania where she served as a diagnostician and Cognitive Behavioral Therapist in the Department of Psychiatry's Center for Cognitive Therapy, formerly known as the Beck Institute for Cognitive Therapy Training. 


Peter McLallen, PhD, MBA, MA

Peter McLallen earned a PhD in International Psychology from the Chicago School of Professional Psychology, an MBA from Eastern University, an MA in African Studies from the University of Illinois – Urbana, and a BA in Psychology/Philosophy from Gordon College.  Peter’s research interests include social identity, work engagement, and the role of culture in our thinking and perceiving of the world. He serves as the Dean of the Schools of Graduate and Professional Studies at Rosemont.


William Stieber, PhD, MBA

William Stieber earned a PhD in Psychoeducational Processes from Temple University, an MBA from LaSalle University, and a BS from Pennsylvania State University. He is an experienced coach, consultant, and trainer with over 20 years of experience in the financial services, healthcare, manufacturing, government, and consulting fields. 

Dr. Stieber teaches Organizational Psychology and Behavior in the psychology and business program. Bill is the author of the book “Teaming for Improvement” and “The Final Score” and has written a number of articles on leadership, teams, change management and other human resource topics.


Patrick Rowley, MA, EdD

A Counselor Educator, Dr. Rowley currently functions as the Unit Coordinator and Assistant Professor for the Graduate Counseling Program at Rosemont College. He graduated with an MA from Villanova University with an Education Specialist Certificate in Secondary School Counseling. He received his EdD in Counselor Education and Supervision from Virginia Polytechnic Institute and State University, where his dissertation focused on postsecondary planning for students experiencing emotional disturbances in urban environments.

Dr. Rowley has over 10 years of experience in the field of counseling as a school counselor and clinical mental health counselor. As a school counselor, he supported the needs of students experiencing emotional disturbances at Upper Darby High School. As a clinical mental health counselor, his roles have included Director, Supervisor, Behavior Specialist Consultant, Mobile Therapist, and Therapeutic Support Staff within community mental health agencies in the Greater Philadelphia Area in support of students experiencing disabilities.