Biography

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Professor Willy Cahill holds 9th Dan in Judo & 10th Dan in Kodenkan Ju Jitsu. 

 

He is a Black belt Hall of famer, former Olympic Judo coach, and a co-founder of Ju Jitsu America.

 

Prof. Cahill started Kodenkan Danzan Ryu in 1941 under Bill Ah Moo (Ah Moo Sensei was a children’s Ju Jitsu teacher in Hawaii). 

 

Coach Cahill trained with his father John Cahill until his passing in 1962, along with Prof Wally Jay.

 

Willy Is regarded as an Icon in both the Judo and Ju Jitsu community. 

 

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