Dr. Rottnek is a Professor and the Director of Community Medicine at Saint Louis University School of Medicine and the Program Director of the SSM Health Saint Louis University Addiction Medicine Fellowship.. His clinical practices include family medicine, addiction medicine, and correctional healthcare. He teaches in the School of Medicine and the School of Law. Board-Certified in Family Medicine and Addiction Medicine, he is the Medical Director for the Assisted Recovery Centers of American (ARCA) and Juvenile Detention in Family Court for the City of St. Louis. He consults with SAMHSA’s Opioid Response Network and the GAINS Center.