Major Service Activities:
- 2019 SPEC Kaivalya Dissertation Award Committee, Chair.
- 2015 Cloud and Autonomic Computing Conference, General Chair.
- Second ACM/SPEC International Conference on Performance Engineering, Karlsruhe, Germany, March 2011, Tutorial Chair.
- Performance Evaluation Journal, Elsevier, Associate Editor, 2010-present.
- ACM Federated Computing Research Conference (FCRC 2007),
General Chair, San Diego, June 2007.
- IEEE Internet Computing, Guest editor with J.O. Kephart of the special issue on Autonomic Computing, Vol. 11, No. 1, January/February 2007.
- IEEE Internet Computing, Guest editor with C.M. Woodside of the special issue on Application-level QoS, Vol. 10, No. 3, May/June 2006.
- ACM Transactions on the Web (TWEB), Member of the Editorial Board,
September 2005-present.
- IFIP Performance 2005 Conference,
Program Committee Co-chair, Juans-les-Pins,
France, October 2005.
- ACM 2005 Workshop on Software and
Performance (WOSP 2005), Tutorial Chair, Palma de Mallorca, July 2005.
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IEEE Internet Computing, Member of the Editorial Board, March 2003-2008.
- ACM Special Interest Group on E-commerce (SIGEcom), first elected Vice-Chair, July 2003-June 2005.
- Electronic Commerce Research and Applications Journal, Elsevier,
Associate Editor, 2003-2006.
- ACM Sigmetrics Performance Evaluation Review,
Special isssue on E-commerce and services, Dec. 2004, Guest editor.
- 2003 ACM Conference on E-commerce,
General Chair, San Diego, CA, June 2003.
- Practical Aspects of Performance Analysis (PAPA 2002) Workshop,
Program co-chair and co-general chair, Marina del Rey, CA, June 2002.
General Chair, San Diego, CA, June 2003.
- 2000 Computer Measurement Group Conference,
Program Committee Chair of the Research Track, Orlando, FL, December 2000.
- Second ACM International Workshop on Software and Performance (WOSP 2000),
Program Committee Co-Chair, Ontario, Canada, September 2000.
- 1999 ACM Sigmetrics Conference,
General Chair, Atlanta, GA, June 1999.
- 1998 ACM Sigmetrics Conference,
Tutorials Chair, Wisconsin, Madison, June 1998.