Jyster has won Who's the Expert games in the following categories:

Cities of the World (as level 31, beat 67 players)    May 15 09 - 11:45 AM
Computers (as level 34, beat 50 players)    May 20 09 - 11:45 AM
Physical Geography (as level 40, beat 100 players)    Jun 16 09 - 5:45 AM
Technology and Computers (as level 29, beat 46 players)    May 14 09 - 7:45 AM