Jack A Stark Ph.D.

As a performance psychologist, Jack Stark provides psychological and performance enhancement training to elite athletes at the collegiate, professional and Olympic levels. He served as the team psychologist (1989-2004) for the University of Nebraska Cornhusker football program. During his tenure Nebraska won 88% of its games including 3 national championships and had the highest winning percentage in the 1990s. He is in his 11th year as the team psychologist for NASCAR’s premier Hendrick Motorsports Team (winner of 5 straight national championships).

He maintains a practice as a licensed clinical psychologist and has provided assistance to more than 10,000 individuals. He served on the faculty of the Nebraska Medical Center’s Departments of Psychiatry and Pediatrics as a tenured professor of medical psychology. He is founder and director of Performance Enhancement Group and consults to F-500 executives. He has made over 1,000 presentations on Leadership and Teamwork. Married 41 years, the Starks have three children John (deceased), Nick and Suzy.


“Jack Stark was and is one of the most respected practitioners and pioneers in sports psychology. His first-hand experience with Dr. Tom Osborne and the Nebraska Cornhusker dynasty would be achievement enough to make The Championship Formula a must read. In addition however, Jack has taken lessons from the Arena, Wall Street, the Military and everyday life I the twenty-first century and applied them to championship team building. If you want to do all you can to make your team a winner read The Championship Formula.”

- Bill Polian, Vice Chairman,
World Champion Indianapolis Colts