Salvatore J. Stolfo is Professor of Computer Science at Columbia University. He received his Ph.D. from NYU Courant Institute in 1979 and has been on the faculty of Columbia ever since. He has published extensively in the areas of parallel computing, AI Knowledge-based systems, Data Mining and most recently Computer Security and Intrusion Detection Systems. His research has been supported by DARPA, NSF, ONR, and numerous companies and state and federal agencies.