He studied under Paul Kaelemakule, Juan Gomes, and Professor Henry S. Okazaki (Founder of the Kodenkan Jujitsu system). His Judo teacher was the Hawaiian Champion, Ken Kawachi who gave him the key to the Small Circle JujitsuTM techniques.
He received his Restorative Massage in 1945 and the Certificate of Mastery (Kodenkan Jujitsu ) from Professor Okazaki on February 22,1948. His wife, Bernice was also a recipient. She is ranked as a Sandan since 1954. Professor Jay is also ranked as a 6th Dan in Judo.

Professor Wally Jay Birthrate: June 15, 1917 Birthplace Honolulu, Hawaii Founder and Grandmaster of Jujitsu America Founder and Grandmaster of Small Circle Jujitsu TM International Founder and Great Grandmaster of Professor Jay's Small Circle Jujitsu TM
Through his varied martial art experience, he developed his own system called Small Circle Jujitsu TM

Holds a 10th Degree Black Belt in Jujitsu
Holds a 6th Degree Black Belt in Judo

He has taught in 32 countries and was Team Captain that went to China in 1985. He demonstrated on Emperor's Day April 29 th at the Dai Nippon Butokuden at Kyoto, Japan in 1992 He was one of the three men that went to Boputhatswana South Africa in 1992. Tony Maynard and Ernie Boggs were on the team.
He is the Founder of the "Small Circle" style of Jujitsu based on Kodenkan Danzan Ryu Jujitsu. It is based on his ten principles, the transitional techniques, and two way wrist action which is applicable to any style. His effortless application has been used by many women, children, and men in many difficult situations. His son, Leon Jay teaches near London, England. He finds that the Small Circle and George Dillman's Kyusho Jitsu are compatible. In fact, many others have found it to be compatible with almost any style. Professor has named his four inheritors -- Lee Eichelberger of California, Leon Jay of London England, Ed Melaugh of Massachusetts, and Ronald Ogi of Hawaii.

He was inducted into the Black Belt Magazine's Hall of Fame in 1969 and again in 1990. He was also recipients of many "Hall of Fame and Who's Who" national and international organization. He was awarded on Honorary Doctorate by the College of Martial Arts Sioux Falls, South Dakota on May 4,1991. In 1960 Hokka Judo Yudanshakai named him "Northern California Judo Coach of the year". Inside Kung Fu magazine named him as one of the 100 most influential martial arts personalities of All Times.