Associate Editor, IEEE Transactions on Visualization and Computer Graphics
Associate Editor, Journal of Visualization
Associate Editor, Journal of Computer Science and Technology
Guest Editor, IEEE Computer Graphics and Applications
Executive Committee, IEEE Visualization, 2015-present
Steering Committee, IEEE SciVis, 2014- present
Paper Co-Chair, IEEE SciVis 2013, 2014
Program Co-Chair, IEEE Visualization 2008, 2009
Program Co-Chair, IEEE Pacific Visualization 2009, 2010
Program Co-Chair, IEEE/ACM Symposium on Parallel Visualization and Graphics 1999
Program Co-Chair, Eurographics Symposium on Parallel Graphics and Visualization 2004
Program Committee, IEEE Visualization 2004-2006, 2009, 2010
Program Committee, Eurographics Symposium on Visualization 2001-2002, 2004-2008, 2010
Program Committee, Pacific Graphics 2006-20010
Program Committee, Volume Graphics 2001-2009
Program Committee, Eurographics Symposium on Parallel Graphics and Visualization 2002-2010
Program Committee, Pacific Visualization 2008
Program Committee, International Symposium on Visual Computing 2006-2009