THE SUNDAY TIMES BESTSELLER'Bill's passion for innovation and teamwork was a gift to Apple and the world. Trillion Dollar Coach has captured his tireless spirit so future generations can learn from one of our industry's greatest leaders'-TIM COOK, CEO, Apple 'Bill shared his wisdom generously, expecting nothing back but the joy he got from teaching others. I was privileged to have him as my coach for several years. Many times since then, when asked for advice by others, I think of Bill and try to live up to the example he set.'