Catherine A. Sanderson

Catherine A. Sanderson is the Poler Family Professor of Psychology at Amherst College. She received a bachelor's degree in psychology, with a specialization in Health and Development, from Stanford University, and received both masters and doctoral degrees in psychology from Princeton University. Dr. Sanderson has published over 25 journal articles and book chapters in addition to four college textbooks, middle and high school health textbooks, and the Introduction to Psychology course for The Great Courses. In 2012, she was named one of the country's top 300 professors by the Princeton Review. Dr. Sanderson speaks regularly for public and corporate audiences on a variety of topics (learn more at SandersonSpeaking.com). Her 2019 book, The Positive Shift, examines how mindset influences happiness, health, and even how long we live. Her latest trade book, published in North America as Why We Act: Turning Bystanders Into Moral Rebels and internationally as The Bystander Effect: The Psychology of Courage and Inaction examines why good people so often stay silent or do nothing in the face of wrongdoing.