Heidi Grant Halvorson, PhD, is a social psychologist, speaker, and author of Succeed: How We Can Reach Our Goals (Hudson Street Press, 2011). She is also Associate Director of Columbia Business School’s Motivation Science Center, serves on the advisory boards of several companies, and is an expert blogger on motivation and leadership for Harvard Business Review, Huffington Post, Forbes, Fast Company, and Psychology Today. Her original post “Nine Things Successful People Do Differently” holds the HBR record for most unique views in the history of the Web site. Grant Halvorson offers corporate training on the subjects of motivation, persuasion, and marketing. Follow her on Twitter @hghalvorson or at www.heidigranthalvorson.com.