Translation of "director general" into Chinese

I'm the Director General of MI5.

我 是 軍情 五處 的 局長

The director general, deputy director general and inspector general assumed their positions as planned.

局长、副局长以及监察主任已经按照计划就职。

Accordingly, its Director General should not be under the control or direction of any person or authority.

因此,该委员会理事长不必受任何个人或机构的控制或指示。