Greg Dyke became Director-General of the BBC in January 2000, having joined the previous year as Deputy Director-General and Director-General designate.
He left his post as Director-General on January 29, 2004.
After an early career as a journalist, he started his broadcasting career in 1977 at London Weekend Television, where in 1987 he held the positions of Director of Programmes; Managing Director; and Group Chief Executive.
Greg Dyke then joined Pearson Television as Chief Executive, building it into the largest non-US independent production company in the world.
He also guided the consortium which created Channel 5 and became its first Chairman.
While at Pearson, Greg Dyke undertook a review of the Patientsí Charter of the National Health Service at the request of the Secretary of State for Health.
Since joining the BBC, Greg Dyke had reorganised its structure.
He also made major commitments to use digital technology to provide new education opportunities and to improve the cultural diversity of the workforce and BBC programmes.
Greg Dyke was recently made the new Chancellor of the University of York - he will take over in August 2004 from Dame Janet Baker.
The Chancellor is the formal head of the university, whose official duties are to confer degrees on behalf of the university, and to chair the University's Court.