Katsuaki Satō

is the founder and director of Satojuku Karate, also known as Odo (The Champion's Way) karate. The Satojuku honbu (headquarters) is located in Tachikawa, Japan.

Satō was born on April 4, 1946, on Sakhalin Island, then part of occupied Japan following the end of World War II. The Soviet Union had invaded the island during the closing stages of the war, but around 300,000 Japanese remained on the island, including Satō's family. In 1947, his family moved to Nakoso, in Fukushima Prefecture. Satō studied karate from Terutomo Yamazaki for whom Satō has expressed much respect. He reached the rank of 3rd dan in karate on March 18, 1973 He reached the rank of 4th dan in karate on May 1, 1974. He was part of a Kyokushin training group nicknamed "The Seven Samurai," which included Jōkō Ninomiya. Satō defeated Ninomiya on his way to taking the 1975 Kyokushin title. In 1976, he was listed at in height and in weight. A later source specifies and .