Upon reading that most successful founders start their companies by age 37, David Rubenstein decided to join them. A lawyer who worked in the Carter administration, David set out to start a private equity firm based in Washington DC. He co-founded Carlyle in 1987, and the firm has grown to become an industry giant that manages over $221 billion. David is an avid reader-turned-author who interviewed icons like Jeff Bezos and Oprah for his new book, How to Lead. David shares how he built a strong brand through recruiting top talent, why the most elusive thing in life is the pursuit of happiness, and why the best leaders share humility and a desire to give back to society.