• Editor-in-Chief, ACM SIGMOD Record (2007 - )

• Member of Advisory Board,
  Sensor Science Engineering and Informatics (SSEI) NSF IGERT Program at the University of Maine (2007 - )

• Member of Data Interoperability Steering Committee (DISC), NIAID / NIH (2007 - )

• Associate Information Director, ACM SIGMOD (2007 - )
• Member of ACM SIGMOD Executive Committee (2004 - )

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• Information Director, ACM SIGMOD (2004 - 2006)
• Associate Editor, ACM SIGMOD Record, Web Edition (2002 - 2006)
• Associate Editor, ACM SIGMOD Record, Career Forum (2001 - 2004)
• Webmaster, ACM SIGMOD Record (1997 - 2002)

• Reviewer for ACM TODS, ACM TOIT, IEEE TKDE, the VLDB Journal.

• Member of Steering Committee:
  
  • RFDM workshop (2007 - )
  • DMSN workshop (2006 - )
  • MobiDE workshop (2006 - )

• General Co-Chair/Vice-Chair:
  
  • MobiSensors 2007: NSF Workshop on Data Management for Mobile Sensor Networks (Pittsburgh, PA, Jan 2007)
  • DMSN 2006 Workshop @ VLDB 2006
  • MobiDE 2006 Workshop @ SIGMOD 2006

• Program Co-Chair:
  
  • 2nd Geosensor Networks Conference (GSN'06)
  • DMSN 2005 Workshop @ VLDB 2005
  • MobiDE 2005 Workshop @ SIGMOD 2005
  • DMSN 2004 Workshop @ VLDB 2004
  • Internet Data Management Track @ ACM SAC 2004

• Publicity Chair: MDM 2005

• Treasurer: MobiDE 2006, MobiDE 2003

2008:	DMSN 2008, PersDB 2008, VLDB 2008, HDMS 2008, MobiDE 2008, SeNTIE 2008, SSPPS 2008, EDBT 2008 (Research and Demo), ICDE 2008
2007:	DMSN 2007, VLDB 2007, HDMS 2007, MobiDE 2007, DCOSS 2007, DISN 2007, MDM 2007, SSPS 2007, ICDE 2007
2006:	WIDM 2006, HDMS 2006, ICDCS 2006, MLASN 2006, NetDB 2006, ICDE 2006
2005:	VLDB 2005 PhD Workshop, HDMS 2005, ICDE 2005
2004:	CIKM 2004, MDDS 2004, VLDB 2004, SIGMOD 2004 (demos), EDBT 2004 (local mirror), ICDE 2004,
2003:	MDDS 2003, HSI 2003

• Co-Chair, Graduate Program and Evaluation Committee (Sep 2007 - )

• Member, Faculty Recruiting Committee (Sep 2006 - Apr 2007)

• Faculty Advisor, CS Web Team (Sep 2002 - August 2007)

• Chair, Alumni Relations Committee (Sep 2004 - Aug 2005)

• LINKS Newsletter Editor (Sep 2003 - Aug 2005)

• Member, Graduate Evaluation, Assignment and Training Committee (Sep 2002 - Aug 2003)