He returned to Boulder City from Washington, first as the Chief of the Region's Water, Land and Power Operations Division and then as the Deputy Regional Director before being named Regional Director.

此后，他从华盛顿返回圆石，历任该地区水资源、土地和电力运行部负责人、代理地区主任和地区主任。

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The ex-CIA officer also notes that the action required approval from the CIA's deputy director of operations.

NPR: Ex-CIA Officer Speaks Out Against Waterboarding

David Williams, deputy director of operations, is heading the ambulance service's preparations ahead of the predicted big freeze.

BBC: Snowfall prompts travel warning

David Williams, deputy director of operations, is heading the ambulance service's preparations.

BBC: Snow prompts West Yorkshire travel warning