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Tim S. Grover

Tim Grover

CEO of ATTACK Athletics. Trainer to MJ, KOBE, DWADE, Speaker, Bestselling Author of RELENTLESS.

Tim S. Grover is the preeminent authority on the science and art of achieving physical and mental dominance. Since 1989, he has been the CEO of Attack Athletics, appearing around the world as a keynote speaker and consultant to business leaders, athletes, and elite achievers in any area who want to know how the best can get better in anything they do, teaching the principles of relentless drive, result-driven performance, and mental toughness. A featured columnist at SI.com and Yahoo.com, he also appears regularly on ESPN and other media outlets. He is the author of the national bestseller Relentless: From Good to Great to Unstoppable and creator of digital training platform “The Relentless System.” He is based in Chicago.