Barbara L. Fredrickson, Ph.D., is Kenan Distinguished Professor of Psychology and Director of the Positive Emotions and Psychophysiology Lab (a.k.a. PEP Lab, PositiveEmotions.org) at the University of North Carolina at Chapel Hill. She is the author of 100+ peer-reviewed articles and book chapters as well as Positivity (www.PositivityRatio.com) and Love 2.0 (www.PositivityResonance.com). An internationally popular keynote speaker, her work has influenced scholars and practitioners worldwide, within education, business, healthcare, the military, and beyond.