Master Tim Calvin, Martial Arts Instructor

Kids Martial Arts in Antioch

Master Tim Calvin

Master Tim is the founder of D1 & Only Martial Arts Academy and he has trained in the martial arts for over 27 years. He is a 5th Degree Black Belt in Kajukenbo, a 5th Degree Black Belt in Senkotiros Arnis, a Level II Krav Maga Instructor, certified Kickboxing Instructor, and Blue Belt in Brazilian Jiujitsu. 

He has a Bachelor’s of Science (B.S.) degree in Business Management from Western Governors University (WGU), a Master’s degree in Business Administration (MBA) from WGU, and he is currently working on earning a Doctorate in Organizational Change and Administration from Cal Baptist University.

Master Tim is a former police officer with (8) years of law enforcement experience. He was employed by the Oakland and Novato Police Departments, where he worked Patrol and as an Undercover Narcotics Officers, Defensive Tactics Instructor, and S.W.A.T. Team Member. He attended and successfully passed the FBI's Defensive Tactics Instructors Course and their S.W.A.T. (Special Weapons and Tactics) Course. He also served (6) years in the United States Marine Corps.

Master Tim also served (6) years in the U.S. Marine Corps served as a H.A.W.K. Missile Operator. He was honorably discharged in 1992 as an E-5 (Sgt.). 

Master Tim has received several awards for community service and giving back to our youth, including the "Diversity Award" from JFK University and the "Men of Merit Award" from the U.S. Congress, the California State Senate, the Contra Costa County Board of Supervisors, and STAND.


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