最さい高こう経けい営えい責せき任にん者しゃ

noun

chief executive officer; CEO

Formal business title for the highest-ranking executive in a company. Often used in corporate contexts and official documents.

• 彼かれはその会かい社しゃの最さい高こう経けい営えい責せき任にん者しゃに就しゅう任にんした。

  He assumed the position of CEO of that company.