Organizational psychologist Dr. Richard Davis is an expert in assessing personalities. He has spent decades advising business leaders and evaluating executives from some of the world’s biggest companies, including Amazon, Target, Best Buy, Under Armour, and Meta. He has helped numerous executives make tough, highly consequential hiring calls based on personality. Dr. Davis has developed not only a unique perspective on what human personality is, but an indispensable toolkit for analyzing it, and using the information effectively. Dr. Davis explains what the science of personality is and how it works, and how all of us can use it to improve our working relationships, careers, and lives. Whether you’re a novice manager, a board member, an angel investor, or a new parent selecting a pediatrician, understanding the science of personality and how to utilize it is the key to exercising good judgment—at work and in life.