John Martin is the former chairman and chief executive officer of Turner, a portfolio of news, entertainment, animation, young adult, and kids’ networks and businesses, including CNN, HLN, TBS, TNT, Turner Classic Movies, truTV, Cartoon Network, Adult Swim, and Turner Sports. Globally, Turner operates more than 130 channels in some 30 languages in nearly 200 countries.

Prior to assuming executive leadership of Turner in January 2014, Mr. Martin served as Time Warner Inc.’s chief financial and administrative officer. In that role, Mr. Martin oversaw all of Time Warner’s finance, accounting, and tax areas. Before that, Mr. Martin had served as executive vice president and chief financial officer of TimeWarner Cable. from 2005 to 2008. Prior to joining Time Warner Cable, he spent nearly 12 years at Time Warner Inc., serving senior vice president of investor relations from 2002 to 2005.

Mr. Martin was director in the equity research group of ABN AMRO Securities LLC from 2000 to 2002, immediately before re-joining Time Warner Inc. as head of its investor relations unit. He held the position of vice president of investor relations at Time Warner Inc. from 1999 to 2000. Earlier, Mr. Martin served as director in the office of the president at Time Warner. Mr. Martin also served as director of finance special projects, where he was involved in diverse projects that included strategic planning, company restructuring and refinancing, budgeting, and mergers and acquisitions. He joined Time Warner Inc. in 1993 as a manager of SEC financial reporting. Before joining Time Warner Inc., Mr. Martin was a certified public accountant, working as a senior accountant in the business assurance group at Ernst and Young LLP in New York.

Mr. Martin is a member of the Board of the United Negro College Fund, the Paley Center of Media, the Conference Board’s Council of Financial Executives, and Financial Executives International. He received an MBA in financial and organizational behavior from Columbia Business School and a BS in economics from the Wharton School of Business of the University of Pennsylvania.