 Born in Shanghai on 10 August 1949, Han received his BS from University of Science and Technology of China in 1979 and his PhD from the University of Wisconsin-Madison in Computer Science in 1985.Currently he is a professor at the Department of Computer Science in the University of Illinois at Urbana-Champaign, where he teaches He teaches courses CS412 - Data Mining and CS512 - Advanced Data Mining.Han is also the Director of Information Network Academic Research Center (INARC) supported by Network Science Collaborative Technology Alliance (NSCTA) program of U.S. Army Research Lab (ARL).