Soke, Gasan Ryu Kenpo
10th Degree Black Belt, Gasan Ryu Kenpo
5th Degree Black Belt, Nick Cerio’s Kenpo
5th Degree Black Belt, Karazenpo Goshinjutsu
3rd Degree Black Belt, Heike Ryu Jiu-Jitsu
1st Degree Black Belt, Kodokan Judo
GM Chamberlain began training in the late 1970’s and opened his first school in 1981 in Massachusetts. In 1997, Grand Master Cerio promoted Dr. Chamberlain to Fifth Degree Black Belt in both Nick Cerio’s Kenpo and American Kenpo Karate. Dr. Chamberlain has trained under Master Ed. Parker in American Kenpo; Master Tadashi Yamashita in self defense; Professor Wally Jay and his son Leon Jay in Small Circle Jiu-Jitsu; Master P. Chan in Wah Lum; Master Rick Beauchamp in Wah Lum and Kenpo; Master Joe Lewis in Technique, Master Carlos Machado in Brazilian Jiu-Jitsu, and Martial Traditions and Bo under Fumio Demura, Shihan. Dr. Chamberlain holds a 3rd Degree Black Belt in traditional Heike-Ryu Jiu-Jitsu under the head of the system, Sensei Vince Tamura, and a first degree Black Belt in traditional Kodokan Judo under Sensei Tamura and sensei Jim Webb, the past president of the United States Judo Association.