Professor Mark Bryans Officially rated Master Defensive Tactics Instructor under the prestigious United States Marksmanship Academy. 7th Degree Black Belt in American Combato. Highest Ranked Teacher in the System. Teaches all classes in Prescott, Arizona since 1995. For more information about classes in Prescott, please give us a call. 928-308-2285 Professor Mark Bryans 22 Kijidava Prescott, AZ 86301 928-308-2285