MARTIN ROONEY is on a mission to make better coaches. He is a former U.S. bobsledder, Division I track athlete, and creator of Training for Warriors. He has consulted for Fortune 500 companies, including Nike and Prudential; coached the N.Y. Giants and N.Y. Jets; and instructed military organizations such as the Army Rangers and Navy SEALs. Having trained NFL, UFC, MLB, NBA, and Olympic athletes, Martin learned the most from coaching middle and high school teams.