Finance Co-Chair, IEEE Int'l Conf. on Multimedia and Expo (ICME), July 15-19, 2013.
Editorial Board Member, Journal of Computers, Academy Publisher, 2011 -present.
Co-Chair, Int'l Symposium on Multimedia over Wireless, in conjunction with IEEE Int'l Wireless Communications and Mobile Computing Conference, Chania, Crete Island, Greece, Aug. 6-8, 2008.
Track Chair, the 20th Int'l Conf. on Software Engineering and Knowledge Engineering, Redwood City, San Francisco Bay, July 1-3, 2008.
Publicity Chair, the International Symposium on Applications and the Internet (SAINT), Trento, Italy, Jan.31 - Feb.4, 2005.
Publication Chair, the 10th Int'l Conf. on Parallel and Distributed Systems(ICPADS), Newport Beach, California, July 7-9, 2004.
NSF Panel Reviewer, Division of Computer and Network Systems, 2006.
Technical Program Committee member, the 6th IEEE International Symposium on Service-Oriented System Engineering, Irvine, Dec. 12-14, 2011.
Technical Program Committee member, the 22nd International Conference on Software Engineering and Knowledge Engineering, Redwood City, July 1-3,2010.
Technical Program Committee member, the 6th Int'lWorkshop on Mobile Commerce and Services, Taiwan, May 10-14, 2010.
Technical Program Committee member, the 5th Int'lWorkshop on Mobile Commerce and Services, Qingdao, China, June 4-6, 2009.
Technical Program Committee member, the 20th Int'l Conf. on Software Engineering and Knowledge Engineering, Redwood City, San Francisco Bay, July 1-3, 2008.
Technical Program Committee member, 1st IEEE Int'l Workshop on Engineering Mobile-based Software and Applications, Beijing, China, July 24-27, 2007.
Technical Program Committee member, IEEE Int'l Conf. on Multimedia and Expo (ICME), 2004, 2005, 2007.
Technical Program Committee member, the 3rd IEEE Int'l Workshop on Mobile Commerce and Wireless Services, 2005, 2006, 2007, 2008.
Technical Program Committee member, IEEE Int'l Symposium on Multimedia, San Diego, Dec. 11-13, 2006.
Technical Program Committee member, the IEEE Int'l Conf. on Communications(ICC), Multimedia Communications and Home Networking Symposium, 2004, 2005.