Biography

Jay was born in Hawaii of Chinese descent.[2] At age 11, he began to study boxing under a community program. In 1940, he studied Danzan Ryu jujutsu under Juan Gomez and also learned judo under the former Hawaiian Champion, Ken Kawachi.[3] Jay and his wife Bernice were awarded on 1948-02-22, a Certificate of Mastery by Seishiro Okazaki, the founder of Danzan Ryu jujutsu, however his wife is not currently active in training.[4]

Jay also spent time with Bruce Lee and his associates in 1962 teaching them judo and jujutsu techniques.

Jay is currently the head instructor of Jay's Jujitsu Studio, which is also known as Island Judo/Jujitsu Club in Alameda, California. Now over the age of 90, he still travels worldwide teaching seminars on Small Circle Jujitsu. He has published two books; Dynamic Ju Jitsu and Small Circle JuJitsu and numerous instructional videos.[5]

In 1969, Jay was inducted into Black Belt Magazine’s Black Belt Hall of Fame as “Ju-Jitsu Sensei of the Year” and again in 1990 as “Man of the Year”[6].

In August of 2002, Jay held a ceremony officially handing the title of Grandmaster over to his son Professor Leon Jay in their hometown of Alameda, California near San Francisco. Family, friends, several martial arts masters and the media all witnessed this momentous occasion[7].