Our Experts

Stephan Siwiec, PhD

Clinical Supervisor, Psychologist

Stephan Siwiec, PhD, is a board-certified psychologist and clinical supervisor at Rogers Behavioral Health in Oconomowoc where he works with adult patients in the OCD and Anxiety Adult Residential Care.

Dr. Siwiec received his Bachelor and Master of Arts in Psychology from Boston University. He then earned his Master of Science in Psychology and PhD from the University of Wisconsin-Milwaukee.

Dr. Siwiec has been with Rogers since 2015 in many different roles, including doctoral level practicum student, research assistant, and clinical supervisor. Recently, Dr. Siwiec served for several years as a clinical services supervisor in adult residential care for both the Depression Recovery and the OCD, Anxiety, and Depression programs in Oconomowoc. Dr. Siwiec also supervised the adult OCD and Anxiety outpatient programs in Oconomowoc.

Dr. Siwiec is a member of the American Psychological Association, the Association for Behavioral and Cognitive Therapies (ABCT), the Anxiety and Depression Association of America (ADAA), and the International OCD Foundation (IOCDF).