“When you're good at controlling your own emotions, you can disguise your true feelings. When you know what others are feeling, you can tug at their heartstrings and motivate them to act against their own best interests.”

American popular science author and professor of organizational psychology

Adam M. Grant is an American popular science author and professor of organizational psychology at the Wharton School of the University of Pennsylvania. He is known for writing about work, motivation, and how people and organizations can improve performance and make better decisions. His writing draws on organizational psychology and is aimed at a broad audience, which has made him a familiar name in contemporary popular nonfiction.