Thomas Dooley, a top lieutenant to Viacom prexy and CEO Philippe Dauman, has been upped to chief operating officer of Viacom.

Dooley had served as senior exec VP, chief financial officer and chief administrative officer, and a member of Viacom’s board of directors. He’ll continue in the role of CFO until a successor is named. With the promotion, Dooley has extended his employment contract with the company through December 2016. It had been set to expire at the end of next year.

“Tom is an extraordinary executive with financial and operational experience that extends more than 30 years, the great majority of which he has spent here at Viacom,” Dauman said. “Tom has also been my partner and friend for well over two decades and I could not be more delighted that he has agreed to extend our successful collaboration for the benefit of our entire organization and all Viacom shareholders.”

Viacom’s divisional CEOs, including Paramount Pictures boss Brad Grey and MTV Networks chief Judy McGrath, continue to report to Dauman.