Dr. Nancy Etcoff is a psychologist at Harvard Medical School and a faculty member at the Harvard Mind/Brain/Behavior Initiative. A leading researcher in the field of positive psychology, she studies the science of happiness, beauty and emotional well-being. Her book “Survival of the Prettiest” explored the evolutionary roots of aesthetic preference. Etcoff’s research combines neuroscience, philosophy and behavioral science to better understand the human pursuit of joy, meaning and mental health.