Tal Ben-Shahar (Hebrew: ×× ××-×©××¨, also known as Tal David Ben-Shachar) born 1970, is an American and Israeli teacher, and writer in the areas of positive psychology and leadership. As a lecturer at Harvard University, Ben-Shahar created the most popular course in Harvard's history. He has subsequently written several best-selling books and in 2011 co-founded Potentialife with Angus Ridgway, a company that provides leadership programs based on the science of behavioral change to organisations, schools and sports organisations globally.
Ben-Shahar received his PhD in Organizational Behavior from Harvard University. His dissertation, completed in 2004, was titled "Restoring Self-Esteem's Self-Esteem: The Constructs of Dependent and Independent Competence and Worth." He has a bachelor's degree from Harvard in Philosophy and Psychology. His undergraduate thesis, completed in 1996, is titled "Honesty Pays: Bridging the Gap Between Moral Theory and Practice."