The phrase "appointed as controller" is correct and usable in written English.
It can be used when referring to someone being officially designated to the position of controller within an organization or project.
Example: "After a thorough selection process, Sarah was appointed as controller of the new financial department."
Alternatives: "designated as controller" or "assigned as controller".
Danny Cohen has been appointed as controller of BBC1.
It marks the first time that somebody from the independent sector has been appointed as controller of BBC1.
In 1942, Reggie was appointed as Controller of English and Arabic Programming at the Palestine Broadcasting Service in Jerusalem; the job was to begin in the fall, but in early July, with the German troops rapidly advancing on Egypt, he persuaded Manning to go ahead to Jerusalem to "prepare the way".
When Gwyneth Williams was appointed as Radio 4 controller, the station's outgoing boss Mark Damazer wrote on his blog that it was in "terrific hands".
September 1997: Ed Briffa, a former Tomorrow's World producer, is appointed as the first controller of online and interactive services to revamp the corporation's web presence.
Ian McIntyre (obituary, 5 June) was appointed as Radio 4 controller to improve its content, particularly in news and current affairs; I was present when he was briefed by senior management.
A senior BBC World Service executive, Gwyneth Williams, has been appointed as the new controller of BBC Radio 4. Williams, who began her BBC career in 1976 and was most recently responsible for the World Service's international radio programmes in English, will succeed Mark Damazer in the autumn.
Fiona Campbell has been appointed as the new Controller of BBC Three.
Probably because he was not there when it happened: the former BBC3 controller was appointed as Channel 4's head of programming in March.
Former BBC3 controller Stuart Murphy has been appointed as the director of programmes at Sky1, MediaGuardian.co.uk can reveal.
Bosbyshell served as Chief Coiner until early 1885; with the approaching advent of the first Cleveland administration, Democrats would be appointed as Mint officials, and Bosbyshell secured a position as chief clerk in the Philadelphia City Controller's office.
