​Ji-Rong Wen is a professor and the dean of School of Information, Renmin University of China. He is also a National “1000 Talents Project” expert of China. His main research interests include big data management & analytics, information retrieval, data mining and machine learning. Before joining Renmin University, he worked at Microsoft Research Asia for 14 years and led the Web Search and Data Mining Group there. He has contributed to many important Microsoft products (e.g. Bing) and filed more than 50 U.S. patents. He publishes extensively on prestigious international conferences and journals, and his papers have received more than 10,000 citations. He is currently the associate editor of ACM TOIS and IEEE TKDE.