• Nancy Tyler, MD

      Adolescent and Adult Psychiatrist
      Dr. Tyler has extensive experience with in eating, mood and anxiety disorders in adolescents and adults. She has trained and practiced in adult psychiatry, child & adolescent psychiatry, and pediatrics.
    • Lynn Gettleman-Chehab MD

      MPH, Medical Director of AP CORE
      Lynn Gettleman Chehab is a board certified fellowship-trained pediatrician at NorthShore University Health Systems and a staff physician at the School-Based Health Center at Evanston Township High School.
    • Lisa Oldson, MD

      Medical Director of Adult CORE
      Lisa Oldson, MD, an experienced physician board certified in both Internal Medicine and Obesity Medicine, serves as Medical Director of the Adult CORE program at Chicago-based Insight Behavioral Health Centers.
    • Julie Kabat Friedman, Ph.D.

      Director of the CORE (Compulsive Overeating Recovery Effort) Program at Insight
      Dr. Julie Friedman is a health psychologist whose specialties include Cognitive-Behavioral Therapy, Night Eating Syndrome, Binge Eating Disorder, Bulimia Nervosa, pre- and post-bariatric surgery behavioral care and obesity and weight management.
    • Anne Kubal, Ph.D.

      Director of Clinical Training
      Dr. Kubal is a Licensed Clinical Psychologist and the Director of Clinical Training at Insight.
    • Michelle Gebhardt, Psy.D.

      Program Director of Eating Disorder Services
      Michelle Gebhardt, Psy.D. is a Licensed Clinical Psychologist and the Director of Residential Programming at Insight.
    • Angela Picot Derrick, Ph.D., CYT

      Vice President of Clinical Operations
      Dr. Derrick joined the staff in 2005 and has been actively involved with both the clinical and administrative operations of Insight Behavioral Health Centers since the early years of development.
    • Lara Schuster Effland, LCSW

      Vice President, Residential Services and Mood & Anxiety Programming
      Ms. Effland has been a Dialectical Behavior Therapist since 2006 and has been a leader in the development of Insight's Mood & Anxiety programming.
    • Vesna Pirec M.D. Ph.D.

      Board Certified Psychiatrist, Chief Medical Officer
      Dr. Pirec has extensive experience with behavioral health issues specific to reproductive cycles in women, including Perinatal Mental Health,and Postpartum Depression, Anxiety and Psychosis.
    • Peter Zemenides, MD

      Staff Psychiatrist
      Dr. Peter Zemenides serves as Staff Psychiatrist for Insight Behavioral Health Centers’ Mood and Anxiety Program and Compulsive Overeating Recovery Effort.