Alexander B. van Putten is an adjunct faculty member at the Wharton School of the University of Pennsylvania where he has been teaching graduate students since 1993. He is actively involved with Wharton’s executive education programs where he lectures on issues surrounding innovation, corporate entrepreneurship, and strategic growth. He is a partner of Cameron & Associates LLC, which consults on strategy and business planning for clients ranging from Air Products & Chemicals, Shell Global Solutions to Seagate Technology, Novell, and Westcon. Prior to teaching at Wharton, van Putten was a general partner in equity and fixed income arbitrage and commercial mortgage securitization partnerships. He was also an SVP responsible for investments at Chrysler Capital Realty. Early in his career, he worked in the investment departments of Bankers Trust and Safeco Insurance Companies as well. van Putten has a BA in economics from Boston University, a MBA from the Wharton School, and is a DBA candidate at Edinburgh Business School. He has published articles in Harvard Business Review and Research-Technology Management. Ian C. MacMillan is the academic director of the Sol C. Snider Entrepreneurial Research Programs at the Wharton School, University of Pennsylvania. He is also the Dhirubhai Ambani Professor of Innovation and Entrepreneurship in the Management Department. Formerly he was director of the Entrepreneurship center at NYU and taught at Columbia and Northwestern Universities and the University of South Africa. In 1999 he was awarded the Swedish Foundation for Small Business Research prize for his contribution to research in the area of entrepreneurship. Prior to joining the academic world, MacMillan was a chemical engineer and gained experience in gold and uranium mines, chemical and explosives factories, oil refineries, soap and food manufacturers, and the South African Atomic Energy Board. He has been a director of several companies in the travel, import/export, and pharmaceutical industries and has extensive consulting experience, having worked with such companies as DuPont, General Electric, GTE, IBM, Citibank, Metropolitan Life, Chubb & Son, American Re-Insurance, Texas Instruments, KPMG, Hewlett Packard, Intel, Fluor Daniel, Matsushita (Japan), Olympus (Japan), and L.G. Group (Korea). MacMillan’s articles have appeared in the Harvard Business Review, The Sloan Management Review, The Journal of Business Venturing, Administrative Science Quarterly, Academy of Management Journal, Academy of Management Review, Academy of Management Executive, Management Science and Strategic Management Journal, among others. His most recent book, Discovery-Driven Strategy, is published by Harvard Business School Press, and can be considered the sister book to this one.