Abishai Tactical Solutions was founded by Mark Gerrels.

Mark has been training in martial arts for over 39 years, and teaching for 33 years. He has a 5th degree Chinese Lung-Fu (Shu-She), 2nd degree American Karate, and is a Philippine Martial arts instructor. He is an Accredited Certified Personal Trainer, Firearms Certified Instructor, SWAT Certified Instructor, and a Law Enforcement Instructor since 1990 teaching in and out of State Police Academies.

Mark founded Abishai Tactical in order to provide self defense training solutions for average citizens