Yukio Hattori (服部 幸應, Hattori Yukio; 16 December 1945 – 4 October 2024) was a Japanese television personality who was best known as an expert commentator on the television show Iron Chef. Hattori was also the fifth president of the Hattori Nutrition College; the Iron Chef end credits mention that the program is "produced in cooperation with" the College. Hattori received a PhD from Showa University.
Source: “Yukio Hattori”, English Wikipedia (CC BY-SA 4.0), excerpt