Kartik Hosanagar is the John C. Hower Professor of Technology and Digital Business and a professor of marketing at the Wharton School of the University of Pennsylvania. The cofounder of four different ventures, he was recognized in 2011 by Poets & Quants as one of“The Best 40 B-School Profs Under the Age of 40.”His writing has appeared in Wired , Forbes , and the Harvard Business Review , and his past consulting and executive education clients include Google, American Express, Citigroup, and SunTrust Bank. Hosanagar earned his PhD in management science and information systems from Carnegie Mellon University.