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 23 years. He has a Bachelor’s of Science (B.S.) degree in Business Management and a Master’s in Business Administration (MBA) degree, both from WGU (Western Governor’s 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's Martial Arts experience includes:

• 5th Degree Black Belt in Kajukenbo

• 5th Degree Black Belt in Senkotiros Arnis

• Certified Level II Krav Maga Instructor

• Certified Kickboxing Instructor

• Blue Belt in Brazilian Jiu-Jitsu

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 and the Contra Costa County Board of Supervisors.


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