Tom O'Brien

Tom O'Brien, a PR manager for an ad agency from Chicago, Illinois, was a contestant on season 1 of the US version of the show on June 7th & 11th, 2000. He walked away with $500,000.

Fastest Finger Question
From the 9 remaining contestants, 7 got it right, but Tom (with a time of 5.06 seconds) was the fastest to correctly answer C-D-B-A, making it into the Hot Seat.