Sambrook will be responsible for developing the BBC's overall global news strategy across radio, TV and new media when he takes up the new role in September.
Helen Boaden, the current controller of Radio 4 and BBC 7, will succeed Sambrook as director of BBC News. She will be responsible for all UK news and current affairs across radio, TV and new media, including newsgathering and all BBC news staff.
Sambrook and Broaden will be members of the BBC's new journalism board, headed by deputy director-general, Mark Byford, who is responsible for all the corporation's journalistic output as part of his role.
BBC director-general, Mark Thompson, said: "Richard and Helen are the right people to lead these two vital parts of the BBC's journalism in the future, as we continue to strengthen and develop our output in the UK and around the world."
Sambrook's move comes a month after the BBC published its new editorial guidelines in the wake of the Hutton Report, which described its editorial process as "defective". The guidelines have recommended the creation of a college for all BBC journalists, no matter what level they work at.
Byford said: "After nearly four years as director of BBC News, Richard Sambrook will provide fresh leadership of the BBC's global news role, which has been given high prominence in the BBC's manifesto, Building Public Value."
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