Sir Brian has been an effective ambassador for the use of meteorology in government, industry and society.

He was a tireless worker on our behalf, and a remarkably effective ambassador in reaching out to enlist the support of others.

She was one of women's golf's most energetic and effective ambassadors.

Right now its most effective ambassador is Louis Satchmo Armstrong.

She has since emerged as something of an urban statesman, an effective international ambassador for San Francisco.

You are an effective ambassador of your country.

A board-member since 1960, Jackie was a guiding force and one of WCS's most effective ambassadors.

Singing in squares and on streets, they were hailed as effective cultural ambassadors at a time of serious political tensions.

Who the hell else is going to start hauling a gifted and highly effective ambassador off - ?

But even Foreign Service officers acknowledge that political appointees, who often bring skills from private industry to the job and have greater access to the President, can make effective ambassadors.