AAC Holdings, Inc. announced that Kirk R. Manz, will resign as Chief Financial Officer effective December 31, 2017. Andrew McWilliams, who currently serves as the company's Chief Accounting Officer, will be appointed as Chief Financial Officer immediately following Manz's departure. After over a 15-year career with Ernst & Young LLP, Mr. McWilliams joined AAC in August 2014 to assist with the company's initial public offering and to build a public company accounting and finance department. During his tenure with Ernst & Young, Mr. McWilliams served multiple healthcare clients and also gained experience across a variety of corporate transactions, including debt financings and public equity offerings, as well as and mergers and acquisitions.