In Daniel Gilbert\'s "Stumbling on Happiness," the renowned Harvard psychologist and best-selling author of "The Surprising Science of Happiness" examines the science behind why we are often wrong about what will make us happy. Through a combination of scientific research,
Daniel Bruce Gilbert is an American billionaire businessman and philanthropist. He is the co-founder, majority owner, and chairman of Rocket Mortgage, and founder of Rock Ventures. He is also well-known as the owner of the Cleveland Cavaliers of the National Basketball Association, the Cleveland Charge of the NBA G League, and the Cleveland Monsters of the American Hockey League. As of May 2025, Forbes estimated his net worth at US$22.5 billion, making him the 88th richest person in the world.