chief of the general staff; chief of staff (esp. US)
Military title for the highest-ranking officer in a general staff. In Japanese contexts, often refers to the Imperial Japanese Army's 参謀総長; in modern contexts, may refer to the US Chairman of the Joint Chiefs of Staff or equivalent. Compare with 参謀長 (さんぼうちょう), which is a lower-level chief of staff.
See also: 参謀長 (さんぼうちょう)
He was appointed Chief of the General Staff of the Army.
The US Chairman of the Joint Chiefs of Staff provides military advice to the President.