General Chair: the International Conference on Multimedia Computing and Information Technology (MCIT-2010), March 2010, Sharjah, United Arab Emirates
Symposium Chair, IEEE/ICST ChinaCom 2008, Networking Symposium, China
Panel co-Chair, the 2nd International Conference on Access Networks, Ottawa, Sept. 2007.
Technical Session Chair at IEEE ICC 2007, 2006 and 2005; IEEE Globecom 2007, 2006 and 2002; IEEE ISCC 2008; the 23rd Biennial Symposium on Comm. at Queens University 2006.
Regular Technical reviewer for the following Journals: IEEE Transactions on Wireless Communications, IEEE Journal on Selected Areas in Communications, IEEE/OSA Journal of Lightwave Technology, IEEE/ACM Transactions on Networking, IEEE Communications Letters, IEEE Communications Magazine, Elsevier Computer Networks, OSA Journal of Optical Networking, .