“Productive givers focus on acting in the long-term best interests of others, even if it's not pleasant. They have the courage to give the critical feedback we prefer not to hear, but truly need to hear. They offer tough love, knowing that we might like them less, but we'll come to trust and respect them more.”

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.