noun
chief of staff (of US president)
Refers specifically to the White House Chief of Staff in the US political context.
大統領首席補佐官はホワイトハウスの運営を統括する。
The chief of staff oversees the operations of the White House.
Compound of 大統領 (president), 首席 (chief, head), and 補佐官 (assistant, aide). A direct translation of the English title 'Chief of Staff'.