Denis Waitley

Denis Waitley (b. 1933) is an American motivational speaker, writer, and consultant, best known for his work in the fields of self-help and personal development. His book "The Psychology of Winning," first published in 1979, is one of his most significant contributions, selling millions of copies worldwide. In addition to this bestseller, Waitley authored "Seeds of Greatness" and "The Winner's Edge," both of which have been influential in shaping modern motivational thought. During the 1980s, Waitley served as a consultant to NASA, providing performance enhancement training to astronauts. He also worked with Olympic athletes, helping them achieve peak performance. His work has been recognized with numerous awards, including the CPAE Speaker Hall of Fame.