Stephen Wunker is an entrepreneur and a widely published strategy consultant who has created successful ventures for his own companies and clients across six continents. He has led teams that developed some of the world's first mobile Internet devices, mobile commerce businesses, and mobile marketing campaigns. After earning degrees from Princeton, Columbia, and Harvard Business School, he became a long time colleague of Harvard professor Clayton Christensen in building a consulting practice based on Christensen's research on disruptive innovation. Wunker now leads New Markets Advisors, a firm dedicated to helping companies find, enter, and win in new markets.