pioneer of integrative medicine and an apostle of the Transcen dental Meditation movement, Deepak Chopra is a frequent speaker and prolific author (93 books; that's right, 93!) on physical and mental transformation. He's just negotiated an exit—selling his longtime well-being products-and-services company, Chopra Global, to New York City-based the Healing Co. His most recent book is a guide to the philosophy and practice of yoga called We asked him how he— and other founders—can achieve joy and longevity inside