In-Young Ko is an associate professor in the Department of Computer Science at Korea Advanced Institute of Science and Technology (KAIST) in Daejeon, Korea. He is also a joint professor of the Division of Web Science and Technology at KAIST. Prof. Ko received his Ph.D. in Computer Science from the University of Southern California (USC) in 2003. He also received his B.S. and M.S. in Computer Science from Sogang University, Seoul, Korea in 1990 and 1992, respectively. During 2005-2011, Prof. Ko was appointed as adjunct faculty for the Master of Software Engineering (MSE) program in School of Computer Science at Carnegie Mellon University. Before joining KAIST, Prof. Ko worked as a postdoctoral research associate in the Distributed Scalable Systems Division at the USC Information Sciences Institute (ISI). His research interests span software engineering and Web engineering. Especially, he is currently conducting researches on service engineering, service-oriented architecture, Web services, software reuse, service composition/mashups, Semantic Web, Web-based information management, and end-user software engineering.