Kris Wilder is author of seven books and the head instructor/owner of West Seattle Karate Academy. Kris has trained marital arts across the United States and Okinawa, and teaches seminars worldwide. Kris resides in Seattle, Washington with his son Jackson. Lawrence Kane is a martial artist, author, security professional, and a senior manager at an aerospace company. He has authored seven books and numerous articles on martial arts and self-defense. Lawrence resides in Seattle Washington.