Lang Davison is managing director of global thought leadership at PwC Consulting, where his team has been researching the performance difference between leading companies and everyone else in a winner-takes-most world. Previously Lang was editor-in-chief of The McKinsey Quarterly and co-founder and executive director of the Center for the Edge, a Silicon Valley research center. Lang is the author of the award-winning book The Power of Pull and dozens of print and online articles for Harvard Business Review and other publications on topics relating to strategy, innovation, and the forces of disruptive change.