person in charge; responsible person; supervisor; manager
Refers to the individual who bears responsibility for a task, project, or group, often with supervisory authority. Used in business, organizational, and everyday contexts.
The person in charge of this project is Mr. Tanaka.
事故の責任者はまだ決まっていない。
The person responsible for the accident has not been determined yet.
He is the person in charge of this project.
I'm scheduled to become the manager of this store starting next month.
Let's first decide who will be in charge of each team.
As the person in charge, I will handle this problem.
Voices are calling for holding the person responsible for the accident accountable.
責任者 emphasizes the person who bears responsibility for something, while チーフ simply names the top role or title in a team.
責任者 is a general term for whoever is officially in charge of a task or department, while 支配人 specifically denotes the manager title of an establishment like a hotel or store.
責任者 stresses being the person officially responsible for something, while スーパーバイザー stresses the ongoing act of overseeing workers.
principal investigator; PI
chief operating officer; COO