Dr. Moshiur Rahman is currently a Principal Scientist, AT&T Labs, in lightspeed voice, video, wireless operations. Dr Rahman joined AT&T Bell labs, Switching Div, Napperville, IL, in 1987. He leads an AT&T Systems Engineering team supporting Highspeed data for Wireless and IP mobility operations. He received MS in Electrical and Computer Engineering from Michigan and PhD in Wireless IP Mobility from Stevens Institute. His areas of interest are VoIP, IPTV and wireless networks and signaling. He has been awarded 2008-2009 AT&T IT Innovation award.He is an Adjunct Professor in Stevens Institute since 2000. He teaches different courses, including, Network Managemnt, Systems Engineering and IT Network telecommunications courses.