Martha Beck, Ph.D., is a life coach and monthly columnist for O: The Oprah Magazine. She has taught career development at the American Graduate School of International Management and was research assistant to Dr. John Kotter at Harvard Business School. She is the author of the bestsellers Finding Your Own North Star: Claiming the Life You Were Meant to Live and the memoir Expecting Adam. She lives in Phoenix, Arizona. For more information, visit www.MarthaBeck.com.