Bryan McCall, CSCS, is the performance director for the Michael Johnson Performance Training Center at SPIRE Institute (Geneva, Ohio). He has worked in the performance enhancement field for more than a decade, most recently as performance director at Champions Training Academy. McCall has also done sport-specific training for the Baseball Factory, the leading scouting organization for elite baseball players; the Dallas Texans, a top-ranked Nike-sponsored soccer club; and Nike high school football training camps. He has a bachelor's degree in exercise science from the University of Texas at Arlington.