Prof.  Henning Schulzrinne received degrees from Darmstadt (Germany)
University of Technology, the University of Cincinnati and the
University of Massachusetts in Amherst.  He has held research positions
at GMD Fokus, Berlin and Bell Laboratories before joining the faculty of
Columbia University, New York.  From 2004 until 2009, he chaired the
Department of Computer Science and is now Julian Clarence Levi Professor of
Computer Science.  His research interests encompass
real-time network services, ubiquitous and mobile computing and network
reliability.  He is a co-author of more than 50 RFCs, including RTP,
RTSP, SIP and GIST.