Originally from the Mississippi Delta, Calvin grew up working in a family run business, conceal carrying as a teen. He has been training in defensive and practical firearm application for several years, under and alongside many renowned instructors. Some include James Yeager, Aaron Little, Massad Ayoob, Tom Givens, Craig Douglas (aka: Southnarc), Rob Pincus, John Farnam, Andy Stanford, and the late Paul Gomez. In addition, he has competed in IDPA, USPSA, F-Class, and small bore/high power for several years. He has been practitioner, student, and teacher of traditional and unconventional martial arts for over a decade.