Marshall Van Alstyne (@InfoEcon) is a world expert on IT economics and strategy. He has made fundamental contributions to IT productivity and theories of network effects. His coauthored work on two-sided networks is a Harvard Business Review bestseller, taught in business schools worldwide. He holds patents on privacy protection and spam prevention methods. Van Alstyne is a professor at Boston University Questrom School of Business and a visiting scientist at the MIT Initiative on the Digital Economy. Work has been honored with multiple best paper awards, National Science Foundation grants, and been featured in Science, Nature, Wired, the New York Times, the Wall Street Journal and on NPR. He advises leading executives, is a frequent keynote speaker, a former entrepreneur, and a consultant to startups and global 100 companies. He received his B.A. from Yale and M.S. and Ph.D. from MIT.Writings can be found on Google Scholar. For media related inquiries, contact him @InfoEcon.