Joel Hasbrouck is the Kenneth G. Langone Professor of Business Administration and a Professor of Finance at the Stern School of Business, New York University. He specializes in market microstructure: the analysis, design and regulation of trading mechanisms for securities. He is the author of Empirical Market Microstructure (Oxford Press) and numerous articles. He is an Associate Editor at the Journal of Financial Econometrics and the Journal of Financial Intermediation, and an Advisory Editor at the Journal of Financial Markets. In addition to teaching at Stern, he has served as a consultant, resident scholar, or advisory board member to the New York and American Stock Exchanges, Nasdaq-OMX, the Federal Reserve Bank of New York, the Securities and Exchange Commission, the Commodities Futures Trading Commission, and other private and government institutions. He holds a Ph.D. from the University of Pennsylvania and a B.S. in Chemistry from Haverford College.