AAC Holdings, Inc. announced that Michael Nanko, Ph.D, will become AAC's President and Chief Operating Officer, effective January 15, 2018. Mr. Nanko has served as President of Behavioral Health Services (BHS) for HCA, Inc. since July 2016 and previously as Chief Operating Officer of BHS from August 2015 to July 2016. Before joining HCA, Mr. Nanko served as Vice President of Kaiser Permanente Foundation Health Plan and Hospitals in Northern California, where he held a dual role in health plan and operations with responsibilities across the continuum of care. Prior to that experience, Mr. Nanko held a variety of positions in healthcare and nonprofit management, including as Vice President of Psychiatry and Continuing Care Services at Cedar Sinai Medical Center and Health System in Los Angeles, California, which included inpatient and outpatient addiction services, and as Vice President of Mercy Healthcare Arizona/Catholic Healthcare West (now Dignity Health) near Phoenix, Arizona.