Dr. Rosenfield is active in the fields of cognitive therapy, motivational interviewing and behavior modification as a lecturer, researcher, writer, and clinician. He is the current Practicum Coordinator and an assistant professor in the Clinical PsyD program at PCOM. Dr. Rosenfield has published numerous peer-reviewed journal articles and book chapters, including coauthoring a chapter in Beck, Davis and Freeman's seminal work: "Cognitive Therapy of Personality Disorders," often referred to as "the bible of personality disorders." He has also presented numerous invited lectures and workshops both within the United States and abroad.

Dr. Rosenfield's clinical experience includes pre- and post-doctoral training at the University of Pennsylvania's Center for Cognitive Therapy and the Adult ADHD Treatment and Research Program, in the Department of Psychiatry, where he is currently a clinical associate. In clinical practice, he specializes in supervising doctoral interns and treating complex and challenging cases encompassing a diverse client population including individuals with ADHD, sleep disorders, MCI/dementia, substance use disorders and disorders of mood, anxiety and/or personality.

Dr. Rosenfield is also a supervisor/consultant and seminar-leader for the Beck Institute for Cognitive Behavior Therapy. His current research, CBT for Dementia Prevention, in collaboration with A.T. Beck, the Beck Institute for Cognitive Behavior Therapy and Aaron T. Beck Psychopathology Research Center, hopes to create a multidisciplinary intervention to ameliorate the progression of mild cognitive impairment and Alzheimer's Disease.

Dr. Rosenfield's students say that he is an extremely dedicated professor who enjoys helping his students to excel, both in the program and well into their careers. His students call his teaching style "enthusiastic, innovative and engaging." Dr. Rosenfield is also always available for consultation outside the classroom. He constantly finds ways to integrate his national and international experience, research and theory into clinical practice and to bring psychological phenomena alive in the classroom and beyond.