Kenneth Wayne Jennings III is an American game show host and author who has hosted the syndicated quiz show Jeopardy! since 2021. He is best known for his success and streak as a contestant on the program: in 2004, he won 74 consecutive games, the longest streak in the show's history, and became the highest-earning American game show contestant up to that time. Before appearing on Jeopardy!, Jennings worked as a software engineer.