Education
University of Birmingham. City of London School.
captain lieutenant Marshal officer pilot Soldier commander
University of Birmingham. City of London School.
Walker was commissioned in the administrative branch of the Royal Air Force on 1 September 1974. He was regraded to pilot officer on 15 July 1977 (seniority 15 October 1975), promoted to flying officer on 15 January 1978 (seniority 15 April 1976) and promoted to flight lieutenant on 15 October 1980. Walker became Station commander at Royal Air Force Halton in 1997, Director of Corporate Communications for the Royal Air Force in 1998 and Director of Personnel and Training Policy in 2002.
He went on to be Air Officer Commanding the Royal Air Force Training Group in 2003 before retiring in 2004.
In retirement he served as Master of the Household to the Sovereign.
Walker was appointed a Member of the Royal Victorian Order (MVO) in 1992, an Officer of the Order of the British Empire (Officer of the Most Excellent Order of the British Empire) in 1995, and a Knight Commander of the Royal Victorian Order (Knight Commander of the Royal Victorian Order) in the 2011 Birthday Honours, being invested in a personal audience with The Queen on 13 July 2011.