Meet the Team
Christina M. Rowan, Ph.D., A.B.P.P.
Clinical Director
Christina Rowan, Ph.D., A.B.P.P. is a board certified clinical health psychologist. She was a behavioral medicine psychologist in Summa Health’s Weight Management Institute for 6 years prior to joining Akron Physician Wellness Initiative as the clinical director. She received her Ph.D. in Counseling Psychology from the University of Akron. She completed her psychology internship at the University of Pittsburgh Counseling Center, and a fellowship in clinical health psychology at the Cleveland Clinic Bariatric and Metabolic Institute.
Joseph D. Varley, M.D., D.F.A.P.A.
Medical Director
Joseph Varley, M.D., D.F.A.P.A. is a board certified psychiatrist. He is the Jim and Vanita Oelschlager Endowed Chairman of the Summa Health Department of Psychiatry. He received his medical degree from the Ohio State University College of Medicine, and completed his medical residency at the Cleveland Clinic.
Dimitrios Tsatiris, M.D.
Consulting Psychiatrist
Dimitrios Tsatiris, M.D. is a board certified psychiatrist at Summa Health and clinical assistant professor of psychiatry at Northeast Ohio Medical University. He is also the medical co-director of the Intensive Outpatient Program at Summa Health Hudson Medical Center. He received his medical degree from the University of Toledo College of Medicine, and completed his medical residency in psychiatry at University Hospitals Case Medical Center.
John Kasper, M.D.
Consulting Psychiatrist
John A. Kasper, Jr., M.D. is a board certified psychiatrist. He is currently the Director of Outpatient Psychiatry at Summa Health. He also serves as the Medical Director for the Summa Health Behavioral Partial Hospital and Intensive Outpatient Programs at St. Thomas Campus and is Vice Chairman for the Summa Health Department of Psychiatry. Dr. Kasper completed his undergraduate training at Youngstown State University in the first phase of a BS/MD program. He then completed this program at the Northeastern Ohio Universities College of Medicine where he received his M.D.
Angela N.R. Miller, Ph.D., MPH, MSCP, DBSM
Clinical Health Psychologist
Angela Miller, Ph.D., MPH, MSCP, DBSM is a clinical health psychologist and a diplomate in behavioral sleep medicine. Prior to joining APWI, she worked in private practice, and as a consultation-liaison psychologist in a hospital setting. She received her Ph.D. in Clinical Psychology from Kent State University. She completed her psychology internship at the West Virginia University School of Medicine, and a fellowship in clinical health psychology at the Cleveland Louis Stokes DVAMC. She also holds a master of public health degree from Wichita State University and a master of science in clinical psychopharmacology from Alliant International University.