KOFI

Set to 6 different clues across 7 published puzzles, most often “Diplomat Annan” — The New York Times, Monday, 28 March 2011.

4 letters

Every clue on record, most used first

Diplomat Annan2 times
The New York Times — Monday, 28 March 2011
First name in international diplomacyonce
The New York Times — Friday, 22 January 2010
First name in diplomacyonce
The New York Times — Friday, 9 January 2004
The U.N.'s ___ Annanonce
The New York Times — Monday, 8 September 2003
With 74-Across, U.N. chief Annanonce
The New York Times — Sunday, 26 May 2002
Boutros's successoronce
The New York Times — Saturday, 7 July 2001