ACM and IEEE Senior Member
- The International Conference on Distributed Computing Systems (ICDCS): 2004, 2007(Vice Chair), 2009, 2010, 2011, 2012, and 2017
- The 2016 USENIX Annual Technical Conference
- The International World Wide Web Conference (WWW): 2005, 2008, 2009, 2011, 2013, and 2014(Track Chair)
- The International Conference on Dependable Systems and Networks (DSN): 2010 and 2011
- The International Parallel and Distributed Processing Symposium (IPDPS 2014)
- The International Conference on Cloud Computing Technology and Science (CloudCom 2013)
- The 2006 International Wireless Communications and Mobile Computing Conference (IWCMC 2006)
- The 2005 International Conference on Parallel Processing (ICPP 2005)
- IEEE Infocom 2005
- The 10th International Conference on Parallel and Distributed Systems (ICPADS 2004)
- The 8th International Workshop on Web Content Caching and Distribution (WCW 2003)
Track Chair for the International World Wide Web Conference (WWW 2014) on “Software Infrastructure, Performance,
Scalability, and Availability”.
Vice Chair for the International Conference on Distributed Computing Systems (ICDCS'07), Internet Computing and Applications track.
Program co-chair for Internet Protocol TV workshop, jointly held with
the 15th International World Wide Web Conference (WWW'06)
Served on various NSF panels in the U.S.
Panel Moderator for the 8th InternationalWorkshop onWeb Content Caching and Distribution (WCW 2003): Caching the Uncachable: An Uphill Battle Against Dynamic and Personalized Content