David Robertson is the author of soon-to-be-released book Brick by Brick: How LEGO Reinvented its Innovation System and Conquered the Toy Industry. He is Professor of Practice at the Wharton School where he teaches Innovation and Product Development. From 2002 through 2010, Robertson was the LEGO Professor of Innovation and Technology Management at Switzerland’s Institute for Management Development (IMD), which received the #1 worldwide ranking by the Financial Times for its executive education programs. Prior to IMD, David was a Post-Doctoral Research Fellow at the MIT Computer Science and Artificial Intelligence Laboratory, a consultant at McKinsey & Company for 5 years, and an executive at four enterprise software companies. He has been published in Harvard Business Review, Sloan Management Review, and many other journals.