Mack Renner is an operating partner of Annapurna Capital Management. From 2013 to 2015, Mack served as a senior executive for Annapurna portfolio company, Cimarron Acid & Frac, LLC. He is currently Senior Vice President and head of Corporate Banking for First Oklahoma Bank. In his 15-year banking career, Mack served in leadership roles at Commerce Bank, F&M Bank & Trust, and Bank of Oklahoma. In addition to banking, Mack worked for three years at Watco Companies, Inc., the largest privately-owned short line railroad holding company in the U.S., where his duties included mergers and acquisitions, capital projects, and business development. Mack received his M.B.A. from the Price College of Business at the University of Oklahoma and his Bachelor’s degree in Finance from East Central University.