French phrase
Qui est responsable ~ ?
Meaning
Who is responsible for ___?
When to use it
Asks which person handles a client, account, or task. It is a neutral, businesslike question.
Example dialogue
Qui est responsable du compte client Martin ?
Who is responsible for Mr. Martin's client account?
C'est moi, je gère son dossier.
It's me, I handle his file.