Craig R. E. Krohn is a martial arts veteran who owns and teaches in a martial arts studio in Bothell, Washington. He is the author of Mastery Mind-Set: Doing the Impossible in Mart...mehr sehenCraig R. E. Krohn is a martial arts veteran who owns and teaches in a martial arts studio in Bothell, Washington. He is the author of Mastery Mind-Set: Doing the Impossible in Martial Arts. Craig and his spouse have no children with the exception of two very needy cats.weniger sehen