Barry Nalebuff is Milton Steinbach Professor at Yale SOM where for thirty years he has taught negotiation, innovation, strategy, and game theory. He is the co-author of six books and an online course. Thinking Strategically and The Art of Strategy are two crossover books on game theory with over 400,000 copies in print. Co-opetition looks beyond zero-sum games to emphasize the potential for cooperating while competing. Why Not? offers a framework for problem solving and ingenuity. Lifecycle Investing provides a new strategy for retirement investing. Mission in a Bottle tells the story of Honest Tea. His Negotiation course (available for free on Coursera) has 250,000 active learners and the second-highest net promoter score on the Coursera platform.