Over the course of 23 years, Californian writer Jerome Vered has amassed a fortune of almost half a million dollars, all thanks to Jeopardy! He first competed in 1991, banking a cool $96,801 following a five-day winning streak. He also appeared in the 1992 Tournament of Champions, winning $7,500, and 2005’s Ultimate Tournament of Champions. The latter was his biggest win ever, with Vered taking home a huge $389,801 prize. His final appearance was in 2014’s Battle of the Decades, where he added a further $5,000 to his total winnings.
A quiz show superfan, Vered also appeared on Comedy Central's Win Ben Stein’s Money, banking a cool $5,000. He later went on to become a writer and researcher for the show.