What drives the CEOs of different companies? It is a question I often thought about. And, especially, in these last years, during which they invited me to meet them and shared with me their experiences. However, to answer this question, I had to take time to listen and, moreover, try to understand them. Most of them work between 50 and 70 hours a week. And, one of the main objectives of this book is to give a more concrete, diversified, and individualized account of their day-to-day life. The twenty co-authors take part in the Management Progress Association and are all members of the same club. From there comes a shared trust between them, forged over the years, as well as a taste and habit for thinking, debating and sharing … The success of this gathering, which was not self-evident, justifies its utility. This book helps to understand it from the inside. Our twenty CEOs, as it is often described, are all confronted with the loneliness of power, the weight of responsibilities, and sometimes the intoxication of success. But, most of the time, it is just the anxiety of failure …