He says the person who comes closest to fitting the job description is Fran Townsend, whose official title is is assistant to the president and homeland security adviser.

CNN: Who's in charge of hunt for bin Laden?

Philip Gordon may not be a household name in Washington DC let alone in the UK but as assistant secretary for European affairs he is the most senior official in the US State Department who deals with Europe.

BBC: US official's comments illustrate Cameron's EU dilemma

Jeffrey Feltman -- an assistant secretary of state who is the department's top official on the Middle East -- and National Security Council official Daniel Shapiro traveled to Damascus twice in recent months in an effort to improve ties with Syria.

CNN: Obama to send U.S. ambassador back to Syria

"In terms of catching the football, I haven't seen anybody in my time better than Cris Carter, " former Vikings assistant and Indianapolis Colts head coach Tony Dungy said, according to the Vikings' official website.

CNN: February 3, 2013 -- Updated 0301 GMT (1101 HKT)

The official notification was submitted to Irina Bokova, UNESCO Director General, and Wendy Watson-Wright, Assistant Director General and IOC Executive Secretary, on 27 June during the IOC Assembly.

UNESCO: Social and Human Sciences