Dr. Heidi Grant Halvorson is a social psychologist who researches, writes, and speaks about the science of motivation. She is the Associate Director of the Motivation Science Center at the Columbia Business School, Senior Consultant for the Neuroleadership Institute, and author of the best-selling books: Succeed: How We Can All Reach Our Goals, Nine Things Successful People Do Differently, Focus: Use Different Ways of Seeing The World for Success and Influence (co-written with E. Tory Higgins), and The 8 Motivational Challenges. HGH is a member of the American Psychological Association, the Association for Psychological Science, and the Society for Personality and Social Psychology, and was recently elected to the highly selective Society for Experimental Social Psychology. She gives invited addresses and speaks regularly at conferences, and is available for speaking and consulting engagements. She received her PhD in social psychology from Columbia University.