177 Mental thoughness secrets of the world class

Steve Siebold, CSP, trains sales and sales management teams how to increase sales,
develop people and manage change through Mental Toughness Training.

Siebold is a former professional tennis player and national coach.

His sports clients include superstars such as Andre Agassi, the Boston Celtics, Florida Marlins and Ohio State University.

In 1997, Siebold began working with Fortune 500 sales teams,
and has helped companies like Johnson & Johnson, GlaxoSmithKline,
Trans America and Yamanouchi increase sales by hundreds of millions of dollars.

also, Steve is the author of 8 books on Mental Toughness Training that have been translated into 6 languages.