Sen Luo is a Master’s student of the Department of Computer Science and Technology at Tsinghua University, where he received his Bachelor of Engineering. He is currently a member of the Division of Computer Software, under the supervision of Associate Professor Bin Xu. His research interest lies primarily in Web service selection and Web service composition. He has participated as a main member in several projects sponsored by China’s Ministry of Industry and Information Technology and other organizations. Until now he has published two conference papers as first author in international conferences (ICWS&SOCA) and has published one journal paper as second author in Tsinghua Science and Technology. In Web Services Challenge 2010, hosted in IEEE Conference on Commerce and Enterprise Computing, he won “First Runner-up Team of Semantic Composition” as team leader. Always keen on social activities and self-development, he has served as class league branch secretary. He has also won several scholarships and honors for both excellent academic and social performance.