Shawn Achor is a lecturer at Harvard University, where he has studied with pioneers in the field of positive psychology. He is the co-designer of Harvard's 'Happiness' course, one of the most popular in Harvard history. He is also the founder and CEO of Aspirant, a research and consulting firm that uses positive psychology to enhance individual achievement and cultivate a more productive workplace. Its clients include American Express, KPMG, Microsoft, and UBS. He gives more than 150 lectures...