- Member of the Program Committee of PROMS-MMNET'97, PROMS-MMNET'98, QoFIS'01, IEEE-PROMS'01, ACM-IDMS'01, ICIMADE'01, JITEL'01, Mundo Internet 2002, IDMS-PROMS'02, QoFIS'02, Telecom I+D 2002, JITEL'03, Mundo Internet 2003, IEEE INFOCOM'04, JITEL'05, IEEE INFOCOM'05, CoNEXT'05, CoNEXT'06, JITEL'07, IEEE INFOCOM'07, IEEE INFOCOM'08, IEEE INFOCOM'09
- Senior Member of IEEE Communications Society
- Standing Committee member for IEEE INFOCOM'13, IEEE INFOCOM'12, IEEE INFOCOM'11, IEEE INFOCOM'10, IEEE INFOCOM'09, IEEE INFOCOM'08, and IEEE INFOCOM'07 Conferences.
- General chair for ACM CoNEXT'08 Conference.
- Technical Program Committee chair for IEEE INFOCOM'06 Conference.
- Steering Committee Member for CoNEXT'08, ACM CoNEXT'07 and ACM CoNEXT'06 Conferences.
- General chair for CoNEXT'05 Conference, and founder of the CoNEXT Conference Series in this edditon.