He is a well-known showman who has organized many concerts.
その興行師は新しい劇団の公演をプロデュースした。
The show manager produced the new theater company's performance.
Compound of 興行 (kōgyō, 'entertainment, performance') and 師 (shi, 'master, specialist'). The exact historical derivation is uncertain, but the word follows a common pattern for professional titles.