Professor Castoldi has over 32 years experience in a wide range of styles including, jujitsu, judo, kung fu, professional wrestling, and bare knuckles street fighting. He holds a 7th degree in jujitsu, a 1st degree in Karate, and a 3rd degree in judo. His instructors include Albert J. Castoldi, John Hogan, Master Win Chil Wu, and Professor Wally Jay. He teaches at his club Newton YMCA Jujitsu. 

10th degree Grand Master of
CASTOLDI’S STREET SELF DEFENSE
8th degree balck belt Jujitsu America
7th degree black belt Small Circle Jujitsu
Regional Director for Jujitsu America:
Northeast U.S., Florida and Gulf Coast

1964-Began training with father, Al Castoldi, 5th dan, the first American to bring Jujitsu to the New England area (circa 1945).
1974-Founded West Suburban YMCA Jujitsu School
1978-Formed Association with Professor Wally Jay 10th dan and founder of Small Circle Jujitsu, began study and instruction of Small Circle Theory, integrating its painful effectiveness into his own unique system of practical, no-nonsense street self-defense.
1983-Jujitsu America-Instructor of The Year
1988-Jujitsu America-Black Belt Hall of Fame
1991-World Martial Arts Hall of Fame
1991-Jujitsu America-Outstanding Ambassador Award
1991-Zen Do Kai Hall Of Fame
1998-Inducted by Shihan Rocky DiRico into International Black Belt Hall Of Fame
1998- AWARDED PROFESSORSHIP BY JUJITSU AMERICA
1998-Reciepient of flag flown over the capitol in Honor of Jujitsu America
2002-Jujitsu America-Wally Jay Award
2004-Jujitsu America-Spirit of Kodenkan Memorial Award-In Memory of Professor John Chow Hoon
2005-Jujitsu America-Distinguished Service Presidential Award
2005-Inducted into the WWKO-World Wide Karate Organization Hall of Fame

Professor Castoldi specializes in street weapon defense techniques and has produced two internationally marketed instructional videotapes. DEFENSE AGAINST KNIFE ATTACKS I+II.
He has been invited as a guest instructor for 18 consecutive years to the ANNUAL
JUJISTU AMERICA NATIONAL CONVENTION and CAMP DANZAN RYU, the country’s largest and most prestigious martial arts summer camp.
Professor Castoldi is an instructor to numerous law enforcement and correctional officers
Including local and state police, FBI, U.S. Marshall, U.S. secret service and military police