Ken Jennings, the record-breaking "Jeopardy!" champion, is known not only for his success on the queak on "Jeopaiz show but also for his work as a game show host, author, and TV personality. His long-running strrdy!" made him a household name. With several book deals and public speaking engagements, his Ken Jennings net worth is estimated to be $50 million, thanks to his ongoing contributions to the entertainment industry.