Professor Kenny Kim — @KennyKimBJJ, head of Kenny Kim Academy in Marietta, GA, creator of the Mat Made show, author of The Jiu-Jitsu Millionaire, president of the Korean American Jiu-Jitsu Coalition, and curator of the world's largest BJJ gym directory — on building people over champions, the stories jiu-jitsu deserves to tell, and the one thing that governs everything else.