Industry WIKI

David Mark Rubenstein ( ROO-ben-styne; born August 11, 1949) is an American billionaire businessman, and former government official. He is a co-founder and co-chairman of the Carlyle Group, a private equity firm based in Washington, D.C. Rubenstein is also the principal owner of Major League Baseball (MLB) team the Baltimore Orioles.

John William Henry II (born September 13, 1949) is an American businessman and the founder of John W. Henry & Company, an investment management firm. He is the principal owner of Liverpool Football Club, the Boston Red Sox, The Boston Globe, co-owner of RFK Racing and former owner of the Pittsburgh Penguins. As of October 2024, Forbes estimated his net worth to be US$5.7 billion.

Mark L. Attanasio (born September 29, 1957) is an American businessman who is currently the principal owner of the Milwaukee Brewers baseball team and the majority shareholder of English football club Norwich City. As of 2026, he is worth an estimated $1.9 billion.

Thomas Ollis Hicks Sr. (February 7, 1946 – December 6, 2025) was an American private equity investor and sports team owner who was based in Dallas, Texas. Forbes magazine estimated Hicks's wealth at $1 billion in 2009, but it dropped to $700 million in 2010.