noun
owner-manager; sole proprietor; owner-operator
Refers to a person who both owns and runs a business, especially a small or independent enterprise. Often used in contexts like small shops, restaurants, or freelance operations.
彼は小さなレストランのオーナー経営者だ。
He is the owner-manager of a small restaurant.
オーナー経営者として、
As a sole proprietor, I make all the decisions myself.