She had no idea who their new chief medical officer might be.

"I don't know how to make the chief medical officer feel better about the situation."

His wife is the chief financial officer of an energy company.

The chief medical officer had told him he was doing the right thing.

After all these years, the chief medical officer knew how to get to him as few others could.

He held the job of chief financial officer for more than five years.

He had worked as the company's chief financial officer in the late 1980's.

From 1979 to 1985 he was the company's chief executive officer.

She was the company's chief executive officer from 2006 to 2008.

He worked as the chief executive officer of the company from 1939 to 1964.

"Could you tell me where I might find the field officer of the day?"

I may not be a field officer, but I've seen enough.

A good field officer always used others to build his or her cover.

"He would have been a fine field officer for us."

The judge, everyone said, had been a hell of a field officer in his day.

None of his field officers had turned up anything like that, but one could never be sure.

All the field officers were invited and over the years some had already died.

He used to be a field officer, and now is a protective guy.

It had been a long day, and she worried about her field officers.

So many field officers on their first major assignment reported every- thing, as though writing a book or something.