—Tremor Media: Mark Pinney has been promoted to COO from CFO. He joined Tremor Media two years ago, having come from AOL’s Platform-A (NYSE: AOL). Earlier, he was CFO and chief privacy officer for Tacoda, also an AOL property.

—TVGuide.com: Christy Tanner has been appointed GM, responsible for the company’s strategy and day-to-day leadership. She previously was SVP of marketing and editor-in-chief for TVGuide.com. Prior to joining the company, Tanner was director of business development and marketing for Newsweek Budget Travel. TVGuide.com also announced three SVP promotions: Sasha Eysymontt will lead engineering, Brandon DiMassa will head up business development and Kirsten Rasanen takes on product development.

—The New York Times (NYSE: NYT) Company: Robert Christie has been named SVP of corporate communications, reporting directly to President and CEO Janet Robinson. Christie previously led brand and crisis communications at Dow Jones (NYSE: NWS) & Company as VP of communications. Prior to that, he spent four years at Sony (NYSE: SNE) Electronics.