Split Second Response Instructors

Ed.D., MBA, CEO & Founder

Dr. Tim Calvin is the founder and CEO of Split-Second Response, Inc. Dr. Calvin began training in the martial arts in 1994 and founded the Conditioned Combat Response (CCR) ...

Director: Martial Arts Program

Jarell Calvin is Dr. Tim Calvin's son and the Master Instructor at Split-Second Response. Dr. Calvin began training Jarell in martial arts in 1997. Master Jarell is a 5th-degree ...

Director: First Aid and CPR Training

Ron Davis, Director Ron Davis is the Director of the Split-Second Response First Aid Program. Ron has spent the past 25 years with the Richmond Fire Department and has been in ...

Office Manager

Tiera Calvin is Dr. Tim Calvin's daughter and our newly appointed Office Manager. Tiera has worked at Split Second Response for the past 6 years as an Assistant Instructor, ...

Black Belt Instructor

Ron has been training at Split Second Response for over 5 years and he is a 1st-degree Black Belt in the Conditioned Combat Response Program, an HSI AVERT Active Shooter ...

Firearms Instructor

Shae is a fantastic Firearms Instructor. Shae's been an avid gun enthusiast and shooter his entire life. He served in the U.S. Marine Corps Infantry as a Machine Gunner during ...

Firearms Instructor

DJ is one of SSRs amazing Firearms Instructors. DJ is currently an officer with the California Highway Patrol (CHP) and a veteran of the U.S. Navy where we served as a Navy ...