Dale Carnegie was an American writer and teacher of courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Born into poverty on a farm in Missouri, h…
Carol S. Dweck, Ph.D., is one of the world’s leading researchers in the field of motivation and is the Lewis and Virginia Eaton Professor of Psychology at Stanford University. Her research has focused…
Dr Russ Harris is a medically-qualified doctor, stress consultant, executive coach, trainer, author, and a leading authority in the powerful new paradigm of Psychological Flexibility. (This is a revol…