Tom Warsop is ACI's President and Chief executive officer. Warsop joined the ACI Board of Directors in June 2015 and became non-executive Chairman in June 2022. He has led various portfolio companies for several leading private equity firms since 2012, including One Call Care Management, York Risk Services Group, and The Warranty Group. He served as Group President at Fiserv, Inc. (NASDAQ: FISV), a provider of technology solutions to the financial industry, from 2007 to 2012. He served in various capacities at Electronic Data Systems for 17 years, including President of its Business Process Outsourcing unit in Asia Pacific, Vice President in the United Kingdom, and Vice President of Global Financial Services. He currently serves on the Board of One Call Care Management.