Tami Simon speaks with Dr. Srikumar S. Rao, who received his PhD in marketing from Columbia University, and teaches the immensely popular and pioneering course “Creativity and Personal Mastery” at the London Business School , and the Haas School of Business at the University of California at Berkeley. He is the author of Happiness at Work and the Sounds True audio-learning program The Personal Mastery Program: Discovering Passion and Purpose in Your Life and Work. Dr. Rao discusses passion and purpose, particularly in the workplace, and what makes for lasting fulfillment in life. (57 minutes)