/ˌtʃiːf ɪɡˈzek.jə.t̬ɪv/
the person with the most important position in a company or organization:
She’s the chief executive of one of the country’s largest charities.
chief executive officer: CEO
executive:
[C]a person who has an important job as a manager of a company or an organization （公司或机构的）经理，主管领导，管理人员
advertising/business/sales, etc. executives
广告、业务、销售等主管
a chief/senior/top executive in a computer firm
一家计算机公司的总裁／资深主管／高层主管