The Chief of the General Staff (CGS) has been the title of the professional head of the British Army since 1964. The CGS is a member of both the Chiefs of Staff Committee and the Army Board. Prior to 1964, the title was Chief of the Imperial General Staff (CIGS). Since 1959, the post has been immediately subordinate to the Chief of the Defence Staff, the post held by the professional head of the British Armed Forces. The current Chief of the General Staff is General Sir Patrick Sanders, who succeeded his predecessor, General Sir Mark Carleton-Smith, in June 2022.