Zsolt Katona is Associate Professor of Marketing at the Haas School of Business, University of California, Berkeley. He is an expert in online marketing strategy and social media. He holds a Ph.D. in computer science from the Eotvos University in his native Hungary and a Ph.D. in marketing from INSEAD, France. Zsolt’s research focuses on online marketing strategy, networks and social media. He studies how firms can better take advantage of new Internet technologies and how they can integrate them into their marketing mix. His research has appeared in leading scientific journals such as Management Science, Marketing Science, the Journal of Consumer Research, the Journal of Marketing Research, and the Journal of Applied Probability. His research was featured by Bloomberg Business News and the U.S. National Public Radio. He has consulting experience with companies such as Autodesk, IBM, Kelora Systems, Singtel, Telkomsel, and Vodafone.