About Tim Grover

Since 1989 when Tim Grover began working with Michael Jordan, AttackAthletics has set the standard for elite athletic training and excellence in sports performance and achievement worldwide. Internationally-renowned for his work with championship and Hall-of-Fame athletes such as Jordan, Kobe Bryant, Dwyane Wade, and hundreds of other superstars from all sports, Grover is unparalleled as the preeminent authority on the science and art of achieving physical and mental dominance.

Famed for his legendary success in conditioning and rehabbing some of the world’s greatest athletes, Grover travels the world training, consulting, and speaking about the principles of relentless drive and mental toughness to athletes, coaches, business leaders… achievers in any area who want to know how the best can get better in anything they do. From the NBA to the Olympics to cutting-edge work in Asia and Europe, Grover and his worldwide AttackAthletics staff appear frequently at special events, tournaments, fantasy camps, youth events, coaching clinics and other corporate events for sponsors or athletic organizations.

Grover is the best-selling author of RELENTLESS: From Good to Great to Unstoppable and the classic JUMP ATTACK. He is based in Chicago.

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What The Greats Say About Tim Grover


“I consider Tim Grover to be SECOND TO NONE in his knowledge of sports training, and an invaluable part of my training program."

--Michael Jordan

“Tim Grover is the master of mental toughness, discovering what you’re capable of achieving, getting results you never imagined reaching the highest level of success—and then going even higher.”

--Kobe Bryant

“The guys who come to Tim know he can take them to the next level, and show them how to be the best at whatever they do, just as he has done for me. I have unbelievable trust and faith in him.”

--Dwyane Wade

“In all the years that I coached, inspired, and trained world-class athletes, there was no better resource to collaborate with than Tim Grover.”

--Pat Riley

“No one knows more than Tim Grover about competitive intensity, killer instinct, and crushing the other guy. He is the best at what he does: creating champions.”

--Charles Barkley

“Tim Grover’s insight into leadership and excellence has taken the greats to the top.”

--Mike “Coach K” Krzyzewski

“Tim Grover instills desire and self-confidence. He makes his athletes realize that no matter how much natural athletic ability they possess, hard work is the only key to success."

--Scottie Pippen

"There's nothing so rewarding as making people realize their full potential. Tim Grover's program helped me gain tremendous confidence in my ability."

--Hakeem Olajuwon
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