Andrew W. McWilliams

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

AAC Holdings, Inc. engages in the operation rehabilitation centers. The company focuses on the provision of substance abuse and behavioral healthcare treatment services. It offers detoxification, inpatient treatment, partial hospitalization, and intensive outpatient care. The company was founded by Jerrod N. Menz in 2004 and is headquartered in Brentwood, TN.

Part of AAC Holdings, Inc., American Addiction Centers, Inc. is a leading provider of inpatient and outpatient substance use disorder treatment services. The private company is based in Brentwood, TN. The company treats clients who are struggling with drug addiction, alcohol addiction, and co-occurring mental/behavioral health issues. The company's facilities are focused on delivering effective clinical care and treatment solutions. The company also offers several online resources for the public. The company was founded in 2007 by Michael T. Cartwright. Thomas Britton has been the CEO of the company since 2022.