Izawa has chaired organizations including the World Music Festival of Peace, the Yomiuri Giants Fan Appreciation Day, and the Tokyo International Marathon.
Hiroshi Takahashi | Hiroshi Fujioka | Hiroshi Hamaya | Hiroshi Takahashi (manga artist) | Hiroshi Sugimoto | Hiroshi Kawashima | Hiroshi Kamayatsu | Hiroshi Yamauchi | Hiroshi Watanabe | Hiroshi Senju | Hiroshi "Monsieur" Kamayatsu | Hiroshi Kyono | Hiroshi Kobayashi | Motohiko Izawa | Hiroshi Yanaka | Hiroshi Takashige | Hiroshi Shirai | Hiroshi Shimizu (professor) | Hiroshi Nakai | Hiroshi Matsumoto | Hiroshi Masuoka | Hiroshi Kiyotake | Hiroshi Kitadani | Hiroshi Katayama | Hiroshi Ishikawa | Hiroshi Ishiguro | Hiroshi Inoue | Hiroshi Imazu | Hiroshi Imazato | Hiroshi Fujiwara |