Translation of "Executive" in Chinese

I trust his executive ability.

我相信他的执行能力。

I got acquainted with the chief executive.

我認識了這位行政長官。

One must be an executive in some company.

我们在任何公司都应该是执行者。

We'll need a head hunting agency to find the right man for this executive position.

我們需要人力仲介公司幫我們找到合適的人來擔任這個管理職位。