Dr. Jason Selk is one of the premier performance coaches in the United States, with dozens of professional athletes and Fortune 500 executives as his clients. As the Director of Mental Training for Major League Baseball's St. Louis Cardinals, Dr. Selk helped the team win two World Series championships, in 2006 and 2011. He is a regular contributor to Forbes, ABC, CBS, ESPN and NBC, and has been featured in USA Today, Men's Health, Muscle and Fitness, INC., and Self magazines.

Tom Bartow left a successful career as a college basketball coach to become one of the highest-producing financial advisors in Edward Jones's history. He went on to help American Funds's Capital Income Builder fund nearly triple in value. Since then, he has become one of the most creative and sought-after business coaches in the world, specializing in helping companies and individuals excel in times of adversity.

Matthew Rudy has ghostwritten twenty-six sports, business, and travel books since 1997, including titles by golf instructors Dave Stockton, Hank Haney, and Stan Utley; sports psychiatrist Dr. Michael Lardon, and personal development coach Bryan Dodge. His book with personal finance expert Anthony Davenport was published by Houghton Mifflin Harcourt in 2017. He is a senior writer at Golf Digest, where he has ghostwritten twenty-five cover stories since 1999 and earned national awards for his investigative and feature work.