The answer to the Ghanaian leader of the UN from 1997 to 2006 in CodyCross is KOFIANNAN. CodyCross is an amusing word game. It is a word play game that challenges one's word knowledge in different categories and themes. If this clue had you baffled, you're not alone! Many of the puzzles in CodyCross are pretty tricky, but that's what makes the game so fun.