noun
Commissioner General of the National Police Agency; Director General of the National Police Agency
Official title for the head of Japan's National Police Agency. Both English renderings are used; 'Commissioner General' is more common in official contexts.
警察庁長官は、国家公安委員会の管理の下、警察庁の事務を統括する。
The Commissioner General of the National Police Agency oversees the agency's affairs under the supervision of the National Public Safety Commission.