Dr. Pengfei Xu is an associate professor at the School of Artificial Intelligence, Beijing Normal University. He completed his Ph.D. in Electrical and Electronics Engineering at Nanyang Technological University in 2007 and earned his B.S. in Electrical and Electronics Engineering from Xi’an Jiaotong University in 2002. He has published over 30 papers in leading journals and conferences. His research interests include scientific visualization, information visualization, and machine learning.