Susan David has a PhD in psychology and a post-doctorate in emotions research from Yale. She is a psychologist at the Harvard Medical School and a founder and director at the Harvard/McLean-affiliated Institute of Coaching. Susan is the CEO of Evidence Based Psychology, whose worldwide client list includes Ernst and Young Global, the UN Development Program, JP Morgan Chase and GlaxoSmithKline. She has edited a number of books including the Oxford Handbook of Happiness and her research has featured in the Harvard Business Review , TIME and the Wall Street Journal. Born in South Africa, Susan now lives in Boston with her family.