Mark Hatmaker is the author of Boxing Mastery, More No Holds Barred Fighting: Killer Submissions, No Holds Barred Fighting, and No Holds Barred Fighting: Savage Strikes. He has extensive experience in the combat arts, including boxing, wrestling, and jiu-jitsu, and is a highly regarded coach of professional and amateur fighters, law enforcement officials, and security personnel. He is the founder of Extreme Self Protection (ESP), a research body that compiles, analyzes, and teaches the most effective western combat methods known. He lives in Knoxville, Tennessee.
Mark Hatmaker is the author of Boxing Mastery, More No Holds Barred Fighting: Killer Submissions, No Holds Barred Fighting, and No Holds Barred Fighting: Savage Strikes. He has extensive experience in the combat arts, including boxing, wrestling, and jiu-jitsu, and is a highly regarded coach of p...