U Kang was a Ph.D. student in the Computer Science Department at Carnegie Mellon, and graduated in April 2012. Currently he is conducting research at the DB group of the Computer Science Department at Carnegie Mellon. He received his B.Sc. in Computer Science and Engineering from Seoul National University, Korea in 2003. His research interests include (1) finding patterns, anomalies, and evolution of graphs, and (2) mining massive graphs.