Stephen Chipman has served on the Board as of April 1, 2023. Mr. Chipman has served in executive roles at several organizations. Most recently, from 2018 to 2019, Mr. Chipman served as Group Managing Director of Vistra, a private equity portfolio company, after its purchase of Radius, a private equity-backed global company providing technology-enabled services and solutions, where Mr. Chipman had served as CEO from 2016 through 2018. Prior to that, Mr. Chipman served as CEO of Grant Thornton LLP, a role he held from 2009 to 2014. Mr. Chipman held several roles at Grant Thornton including CEO of Grant Thornton China Management Corp. from 2006 to 2009; US Central Region Managing Partner and Office Managing Partner of Grant Thornton LLP from 2001 to 2006; Managing Partner, Global Services & Worldwide Director, at Grant Thornton LLP from 1996 to 2000; Asia Pacific Regional Technical Director with Grant Thornton International from 1992 to 1995; and Audit Professional at Grant Thornton from 1981 to 1991. Mr. Chipman currently serves as a director of Prudential Insurance Funds overseeing the management and performance of approximately $160 billion of assets in over 100 funds and strategies. He also serves on the board of Stout, a private equity-backed global advisory firm, and as chair of the board of Auxadi Holdo, a private equity-backed international corporate services company. Additionally, Mr. Chipman serves as the interim board chair of One Sky Foundation, a not-for-profit organization. Mr. Chipman is a graduate of Plymouth College and Plymouth Polytechnic in Plymouth UK. He is a U.S. Certified Public Accountant and a Chartered Accountant in England and Wales.