Founded in 1971, the US Seishin Association of Kyokushin Karate is a prominent martial arts institution based in Stratford, Connecticut. They offer authentic Japanese martial arts training, specifically in the full contact style of Karate known as Kyokushin. The association aims to empower individuals with self-defense skills, fitness, and philosophy. Under the guidance of Shihan Ray Martens, a 6th degree black belt and one of Soshu Shigeru Oyama's most senior students, the association continues to uphold the legacy and principles of this world-renowned martial art.