Izawa Takushi (Japanese: 伊沢拓司; born May 16, 1994) is a Japanese quiz contest player, YouTuber, entrepreneur and television personality. He is the founder, as well as CEO and editor-in-chief of the YouTube and intellectual media group QuizKnock. He was nicknamed as "Quiz King of Tokyo University" (東大出身のクイズ王) or simply Quiz King.
Source: “Izawa Takushi”, English Wikipedia (CC BY-SA 4.0), excerpt