head chef; master chef
The chef in charge of a kitchen, especially in a restaurant or hotel. A formal title.
彼は一流ホテルの料理長です。
He is the head chef of a first-class hotel.
料理長が今日のおすすめを教えてくれた。
The head chef told us today's specials.
executive chef; head chef
Compound of 料理 (cooking) and 長 (chief, head).