Greg Walsh - Episode 767 by Behind The Shield Podcast published on 2023-05-06T21:40:51Z Greg Walsh is an athlete, martial artist and the founder of Wolf Brigade. We discuss his journey into extreme sports, the straight edge Hardcore scene, Crossfit, Jeet Kune Do, kettlebell training, youth athletes, mace work, strength and conditioning for the tactical athlete, the aging athlete and so much more.