Denis Waitley
Dr. Denis Waitley has been considered the ambassador of achievement for almost four decades. With the insight of Dr. Waitley, audiences around the world have tapped into the mental prowess that powers U.S. astronauts, and Olympic athletes, military heroes, and tomorrow's leaders.
In the 1960s, Dr. Waitley helped train NASA's Apollo astronauts for the rigours of space travel. In the 1970s, Wait ...