Discovery Communications has named Gabe Vehovsky executive vice president of digital strategy and emerging businesses, a new position at the company. Vehovsky had been executive vice president of digital strategy and client services.

ESPN has named Adam Deutsch senior director of product development, working with global X Games digital. Deutsch had been senior director of brand marketing at MSNBC.

Turner has promoted Sandra Dewey to executive vice president and head of business affairs, working with Turner Entertainment Networks and Cartoon Network Originals. Dewey joined Turner in 1993.

Outdoor Channel has made two moves, promoting Christy Benson to director of affiliate marketing and hiring Russell Cooper as director of affiliate sales and marketing for the central region. Benson had been in charge of the central region, while Cooper joins from Inspiration Networks.

Speaking of Inspiration Networks, the company has promoted Michael Breedlove to director of digital media development. Breedlove had been internet technology manager and senior web systems architect.

Ted Hong has been named chief marketing officer at M-GO, a new multimedia content app launching in the spring. Hong joins from Fandango and Movies.com, where he was also chief marketing officer.

Katz Media's Christal Radio has made three promotions, naming Michael Blauner senior vice president and director of sales and Becky Allegra vice president of sales in New York and Renee Hartman senior account executive in Chicago. Blauner joined the company in 1996, Allegra in 2001 and Hartman in 2009.

Jane Wooldridge has joined Travel + Leisure magazines as cruise editor, effective immediately. Wooldridge will also remain business editor at the Miami Herald.

Singer Justin Bieber is set to host NBC's "Saturday Night Live" for the first time, at least according to show creator Lorne Michaels, who confirmed it in an interview on Alec Baldwin's podcast "Here's the Thing." Recent Oscar nominee Jonah Hill ("Moneyball") was also revealed as a future host, although NBC has yet to officially confirm either appearance.

NBC has named Jeff Rossen national investigative correspondent for "Today," in charge of a new investigative unit called "Rossen Reports." Rossen has been with NBC News as a correspondent since 2008.

Stephen Amell has joined the CW's drama pilot "Arrow," based on the DC Comics character Green Arrow. Amell has previously appeared on the network's "90210" and "The Vampire Diaries," and he's also recently appeared on HBO's "Hung" and ABC's "Private Practice."

Newsday has promoted T.C. McCarthy, naming him social media coordinator for Newsday.com. McCarthy was previously a reporter covering news in Nassau County, N.Y.

News Corp. has named Natalie Ravitz chief of staff, reporting directly to chairman and chief executive officer Rupert Murdoch. Ravitz was previously director of communications for the New York City Department of Education.