Sir Stephen was appointed in 2009 as Chief of the Air Staff, the professional head of the Royal Air Force.
He joined the RAF in 1976 and his career includes:
- appointment as Director of Air Operations in MOD in 2002
- promotion to Air Vice-Marshal, taking over the post of Capability Manager for Information Superiority
- appointment as Controller Aircraft - with a place on the Air Force Board - in 2004
- appointment as Director General Typhoon for the MOD in 2006
- appointment as Deputy Commander in Chief Personnel and Air Member for Personnel, with promotion to Air Chief Marshal and Chief of the Air Staff in 2009
- awarded the Knight Grand Cross of the Order of the Bath in the 2012 Queen’s Birthday Honours List