Chief Instructor in Wales) 5th Degree Black Belt. Jake is another of our highly experienced instructors with over 30 years of teaching in North Wales. He has taught more than fifty students to black belt and higher. Locally he is referred to as the Master of Destruction; you can see him online destroying three bricks with a mighty chop; punching through tiles and any other material that comes to hand. His classes around the Bangor area thrive through his enthusiasm and commitment.