| Seigo Tada 多田 正剛 | |
| Birth Date: | February 18, 1922 |
| Birth Place: | Kyoto -  |
| Death Place: | Himeji - Hyogo (Japan) |
| Martial Art: | Goju-ryu |
| Teacher: | Chojun Miyagi, |
| Rank: | Soke, Founder of Seigokan, Hanshi 10th Dan (SAJKA) |
| Students: | Atsuko Wakai, Cynthia Luster |
| Website: | seigokan-japan.com |
Seigo Tada (多田 正剛, Kyoto, Japan, 1922–1997) (8th Dan) was the founder of Goju-Ryu Seigokan Karatedo.
Tada was born on February 18, 1922, in Kyoto, Japan.
In 1937 he learned the internal Chinese martial arts (Chinese Kempo) with Ching Lou in Shanghai.
He joined the Ritsumeikan University in Kyoto and its same Karate Club. There, he studied the essence of Goju-ryu Karate-Do with Chojun Miyagi.
In 1943 he was appointed Coach of the Karate Club of the University. After graduation, he established the Nihon Karate-Do Seigokan Doshikai (SAJKA), the Nihon Karate-Do Goju-Ryu and Doshikai Nihon Seigokai in Kyoto. He led about 120 Seigokan Dojos, Associations and Karate-Do Clubs and Karate-Do University's Dojos and beyond, as Chief Instructor and President.
During the war, he was a member of the "Tokotai" Battalion with suicide identical missions to the "Kamikaze" (Divine Wind).
After the Second World War (1939–1945), he made testing for movie actor, together with Toshirō Mifune, but soon abandoned this career.[1]
In 1952 he established the rules of competition and developed the original protector for the head, with the aim of modernizing the Karate-Do as a sport and in particular, as a future Olympic Sport.
In 1964, Seigo Tada was one of the promoters and executives of the All Japan Karate-Do Federation (JKF) in the district of Kansai, as in the Kinki District and held the lead and union of the Federations of such districts.
In order to expand Goju-Ryu Seigokan and to transform Karate as an Olympic Sport, he traveled abroad and sent instructors, creating Associations (Branches) of Seigokan in Hong Kong, Macau, Brazil, Portugal, United States, Canada, Australia, Italy, Philippines, Singapore, India and Sri Lanka.
At that time, Seigokan was the largest Association (Kai-Ha) of Goju-Ryu in Japan, with more than 200,000 members.[2]
In 1981 he won the Medal of Athletic Merit of Hyogo Prefecture.
After his sudden death by myocardial infarction in 1997, his wife Michiko Okamoto, succeeded him as President of Seigokan All Japan Karate-Do Association (SAJKA).[3]