His main research interests are in visualization and computer graphics. He is on the steering committee of the IEEE Pacific Visualization Conferences, and served as the program co-chair for IEEE PacificVis 2011 and 2012. He has co-edited five special issues/sections for the IEEE Transactions on Visualization and Computer Graphics, IEEE Computer Graphics and Applications, and ACM Transactions on Intelligent Systems. He received the Honorable Mention for Best Paper Award at IEEE Visualization 2009 and is a winner of 2009 IBM Faculty Award. He obtained a B.S. in Mathematics from Xi'an Jiaotong University, China, and an M.S. and a Ph.D. (2004) in Computer Science from the Stony Brook University. Top of page