John K Martin Jr

Martin retired as chairman and CEO of Turner Broadcasting System in 2018. Prior to Turner, he was chief financial and administrative officer of Time Warner. He serves on the board of trustees for Columbia University's business school, and on the board of the United Negro College Fund. John Martin is chairman and chief executive officer of Turner, a portfolio of news; entertainment; kids and young adult; and sports networks and businesses including CNN/U.S., CNN International, CNN.com and HLN; TBS, TNT, Turner Classic Movies and truTV; Cartoon Network and Adult Swim; and Turner Sports. Martin assumed executive leadership of Turner in January 2014. Before becoming Time Warner’s chief financial officer in January 2008, Martin had been executive vice president and chief financial officer of Time Warner Cable Inc. since August 2005. Previously, he spent nearly 12 years at Time Warner, ultimately as senior vice president, investor relations, from 2002 to 2005. Prior to joining Time Warner Investor Relations Department, Martin was director, Office of the President, at Time Warner, where he provided financial analysis and strategic services to the company and its President, Richard D. Parsons. Previously, Martin served as director, finance special projects, at Time Warner, where he was involved in the company's long-term planning process. He was a director in the equity research group of ABN AMRO Securities LLC from 2000 to 2002. Before joining Time Warner, Martin was a senior accountant in the business assurance practice at Ernst and Young LLP in New York. Martin received an M.B.A. degree from Columbia Business School in 1994 and a B.S. degree from the Wharton School of Business at the University of Pennsylvania in 1989.