Hidetomo Kajoumaru

Race: Shinigami
Gender: Male
Affiliation: Gotei 13, Soul Society
Occupation: 6th Seat of the 13th Division
Team: 13th Division
Base of Operation: 13th Division, Seireitei, Soul Society
Manga Debut: Chapter 492

Hidetomo Kajoumaru is the 6th Seat of the 13th Division in the Gotei 13, under Captain Juushirou Ukitake.

(Source: Bleach Wikia)