He served as the gonno daibu (master of the office) for FUJIWARA no Akiko, the daughter of Michinaga, from 1002, and promoted to daibu (master) as Akiko became empress and promoted as she became grand empress dowager, and served as Miya no daibu (chief of the office of the Imperial palace) within the span of about twenty years.
この間、長保4年（1002年）より道長女中宮藤原彰子の権大夫を務め、のち大夫、彰子が皇太后、太皇太后へと進むに従い転任し、二十余年の間、宮大夫に在職した。