佐山聡
Retired in 1983, he currently teaches at his own gym, Toshio Fujiwara Sports Gym, in Tokyo. His most famous student in recent years is Satoshi Kobayashi, but many other well-known kickboxers and martial artists have also trained with him, including Masahiro Yamamoto, Satoru Sayama, Sanshu Tsubakichi and Takaaki Nakamura.