Michelle Gielan is a researcher and keynote speaker on positive psychology. She is the bestselling author of Broadcasting Happiness: The Science of Igniting and Sustaining Positive Change. She was an executive producer of The Happiness Advantage on PBS and a featured professor in Oprah Winfrey's Happiness course. She formerly served as anchor of the CBS Morning News, and her research has received attention from dozens of media outlets, including the Today show, the Washington Post, Forbes, Harvard Business Review, and the New York Times.