• Member of the Nomination and Election Committee, IEEE Communications Society , January 2020--December 2022.
  

• Vice President for Conferences: IEEE Communications Society , January 2016--December 2017.
  

• Member of the Fellow Evaluation Committee, IEEE Communications Society , January 2016--December 2018.
  

• Chair of the Steering Committee of IEEE INFOCOM, 2020-present.
  

• Member of the Steering Committee, IEEE Transactions on Mobile Computing, January 2022-December 2024.

• Associate Editor, IEEE Transactions on Mobile Computing, June 2021-present.

• IEEE Transactions on Wireless Communications , Area Editor
  I am responsible for the area of Wireless Networking, overseeing 12 Editors in this area.

• IEEE/ACM Transactions on Networking , Associate Editor (April 2010-March 2014)

• IEEE Transactions on Wireless Communications , Editorial Advisory Board (January 2011-December 2012)

• IEEE Transactions on Wireless Communications , Associate Editor (January 2007-December 2010)

• Computer Networks , Associate Editor (August 2004-January 2011)

• TPC Member: CCS'2015: ACM Conference on Computer and Communications Security;
  October 12-16, 2015; Denver, USA.

• TPC Member: MOBIHOC'2015: ACM International Symposium on Mobile Ad Hoc Networking and Computing;
  June 22-25, 2015; Hangzhou, China.

• Area TPC Chair: INFOCOM'2015: IEEE Conference on Computer Communications;
  April 26-May 1, 2015; Hong Kong, China.

• TPC Member: AsiaCCS'2015: ACM Symposium on Information, Computer and Communications Security;
  April 14-17, 2015; Singapore.

• TPC Member and Posters co-Chair: CCS'2014: ACM Conference on Computer and Communications Security;
  November 3-7, 2014; Scottsdale, USA.

• General Co-Chair: CNS'2014: IEEE Conference on Communications and Network Security;
  October 29-31, 2014; San Francisco, USA.

• Area TPC Chair: ICNP'2014: IEEE International Conference on Network Protocols;
  October 21-24, 2014; The Research Triangle, NC, USA.

• TPC Member: AsiaCCS'2014: ACM Symposium on Information, Computer and Communications Security;
  June 4-6, 2014; Kyoto, Japan.

• Area TPC Chair: INFOCOM'2014: IEEE Conference on Computer Communications;
  April 27-May 2, 2014; Toronto, Canada.

• TPC Member: CNS'2013: IEEE Conference on Communications and Network Security;
  October 14-16, 2014; Washington, DC, USA.

• Symposium Chair: ICC'2013: IEEE International Conference on Communications, Ad-hoc and Sensor Networking Symposium;
  June 9-13, 2013; Budapest, Hungary.

• TPC Member: AsiaCCS'2013: ACM Symposium on Information, Computer and Communications Security;
  May 8-10, 2013; Hangzhou, China.

• Area TPC Chair: INFOCOM'2013: IEEE Conference on Computer Communications;
  April 14-19, 2013; Turin, Italy.

• TPC co-Chair: INFOCOM'2010: IEEE Conference on Computer Communications;
  March 15-19, 2010; San Diego, USA.

• Grant Review Panels and Ad Hoc Reviews: I accept most such invitations, including the following.
  NSF (USA), DOD (USA), DOE (USA); NSERC (Canada), RGC (Hong Kong).

• Journal/Conference Reviews: I accept review requests if the following two conditions are satisfied.
  1. The paper is submitted to a top-tier conference/journal.
  2. The paper is closely related to my current research or my previously published work.

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