Autor/-in: Steve Siebold

STEVE SIEBOLD, CSP, CPCS, is an internationally recognized expert in the field of mental toughness training. His Fortune 500 clients include Johnson & Johnson™, Procter & Gamble™, GlaxoSmithKline™, Toyota™ and Harrah’s Entertainment™. His first book, 177 Mental Toughness Secrets of the World Class, sold over 100,000 copies. As a professional speaker, Steve addresses approximately 60 live audiences per year and ranks among the top 1% of income earners worldwide. In 2007, Steve won the prestigious Telly Award for most outstanding host for his national television show, Mental Toughness of Champions.