Foreign affairs adviser to join broadcaster’s governing body.
Lord Williams, who was most recently United Nations Under Secretary General for the Middle East, will be appointed for four years from 1 December.
He has previously served as a Special Adviser on the Middle East to former UN Secretary General Kofi Annan and has been a Special Adviser and Middle East Envoy for the UK Government. He has also worked as an editor for the BBC World Service.
“Lord Williams has had a distinguished career in the world of diplomacy and foreign affairs,” Mr Hunt said. “He will bring a wealth of international experience to the BBC Trust and I am pleased he is joining the Board.”
The BBC Trust is made up of twelve members including the Chairman. It is the governing body of the BBC, responsible for representing the interests of licence fee payers.