The BBC's head of current affairs, Peter Horrocks, has been appointed head of television news.
Peter Horrocks joined the BBC as a news trainee in 1981
He succeeds Roger Mosey, who recently became director of sport, in taking responsibility for all BBC One news bulletins, Newsnight and BBC News 24.
Mr Horrocks has led current affairs for the past five years and is a former editor of Newsnight and Panorama.
BBC director of news Helen Boaden said Mr Horrocks had "a superb track record in television journalism".
She added: "He also has a deep understanding of the television audience and the competitive pressures we face as technology offers our audiences more choice of news than ever before."
Mr Horrocks said he felt "privileged" to lead "the most respected TV news operation in the world".
"At a time of tumultuous global events, the role of the BBC in giving all audiences clarity and understanding is paramount," he added.
"I look forward to joining my new colleagues in TV news to take on that challenging responsibility."
Highlights of Mr Horrocks' 24-year career at the BBC include editing the TV General Election night results programme in 1992 and 1997 and launching current affairs magazine programme Here and Now in 1994.
Since becoming head of current affairs, he has been executive producer of Brits, True Spies, Smallpox 2002, The Day Britain Stopped, and Dirty War.
Mr Horrocks won Bafta awards in 1997 and 2005 for his editorship of Newsnight and for The Power of Nightmares.
BBC director of television Jana Bennett said: "Peter has led a period of great creativity and innovation in current affairs across all BBC channels bringing audiences programmes such as The Power of Nightmares, Panorama: A Question of Leadership and increased foreign coverage with This World.
"He will bring his passion and commitment for fresh journalism to TV news, from the bulletins to Newsnight and News 24, at a time when audiences are seeking the best, most trusted news."