Discovery Communications has appointed former Twitter exec Fred Graver to the role of senior vice-president, digital content and social.

In his new position, based out of Discovery’s New York office, Graver will oversee the digital network teams across the company’s U.S. portfolio to expand the brand’s reach across all digital media platforms. He will report to Karen Leever, EVP, general manager, digital media, Discovery Communications.

Before Discovery, Graver served as head of TV for Twitter, where he built the company’s U.S. television business. He then held the position of global head of TV creative, where he was tasked with building Twitter’s global television team as well as coordinating brand strategy and revenue teams.

He formed and managed programs across Canada, Australia, Brazil, France, Italy, the Netherlands and Germany. He also created global engagement strategies for such television series as NBC’s The Voice and CBS’s Big Brother.

Before his roles at Twitter, he served as EVP, programming at Travel Channel and as an SVP at MTV Networks.

Graver is an interactive board member for the National Academy of Television Arts and Sciences and a board member for the Writer’s Guild Foundation. He is also a member of the Producer’s Guild of America, the Writer’s Guild of America and The Writer’s Guild Initiative.

Graver has won multiple Emmy Awards, a NAACP Award and a Webby Award.