Henning Schulzrinne received his undergraduate degree in economics and electrical engineering from the Technische Hochschule in Darmstadt, Germany, in 1984, his MSEE degree as a Fulbright scholar from the University of Cincinnati, Ohio and his Ph.D. degree from the University of Massachusetts in Amherst, Massachusetts in 1987 and 1992, respectively. From 1992 to 1994, he was a member of technical staff at AT&T Bell Laboratories, Murray Hill. From 1994-1996, he was associate department head at GMD-Fokus (Berlin), before joining the Computer Science and Electrical Engineering departments at Columbia University, New York. His research interests encompass real-time, multimedia network services in the Internet and modeling and performance evaluation. He is an editor of the Journal of Communications and Networks, the IEEE Transactions on Image Processing and IEEE Communications Society editor of the IEEE Internet Computing Magazine. He co-chairs the IEEE Communications Society Internet Technical Committee and is chair of the IEEE Communications Society Technical Committee on Computer Communications. He is also technical co-chair of Infocom 2000. He is currently serving as a member of the IAB (Internet Architecture Board). Protocols co-developed by him are now Internet standards, used by almost all Internet telephony and multimedia applications.