Mr. Coffin is an entrepreneur, technologist, author and self-defense expert. He is the author of an Amazon #1 download book “The Millionaire Model” and the book “5 Essential Components of Women’s Self Defense”, spent nearly 20 years at Cisco Systems developing advanced communications, and has started several companies.
Mike has been involved in self-defense training for over 25 years, and through his self-defense company, Crucible Self Defense, he has developed his own Women’s Self-Defense program, developed a highly specialized Escape & Evasion program (DEEP Training System) and authored the book “5 Essential Components of Women’s Self Defense.” Mike is currently a highly ranked Brazilian Jiu-Jitsu practitioner, Expert ranked Krav Maga instructor and holds many fitness and strength training certifications. His Crucible Krav Maga studio in Allen Texas has daily classes in self-defense and strength training, and offers many intensive workshops.
Currently he is on the board of PAVE and active in several charitable organizations. His mission is to eliminate sexual assault, human trafficking, and crimes against children. When he is not working you will probably find him on the trails walking with his black lab Kirby.