Tim Grover

Tim Grover is a personal trainer and motivational speaker. He owns a training center called Attack Athletics and has trained world-class athletes like Michael Jordan, Dwyane Wade, the late Kobe Bryant and more. He wrote his first book, Relentless: From Good to Great to Unstoppable, in 2014. His latest book, Winning: The Unforgiving Race to Greatness, is out now.