Shihan Billy Doak 7th Dan Ju-Jitsu / 4th Dan Judo has had over 25 years experience within the martial arts specialising in the art of Ju-Jitsu.

He is the founder and chief instructor of the Goshin Ju-Jitsu Association UK-Wales. Shihan Doak is renowned for his technical ability and prowess on the mat as well as for his easy going and approachable manner off the mat.

To quote Alan Petherbridge MBE 9th
Dan Kodokan Judo / 7th Dan Ju-Jitsu

"Shihan Doak is, in my opinion, the most efficient exponent of Ju-Jitsu that I have ever seen"