VINTON G. CERF
<0001050002@mcimail.com>

*Incumbent*

Vinton Cerf is senior vice president of data architecture for MCI's Data
Services and Information Division.  Cerf, who was with the company in the
early eighties, currently is responsible for developing the network
architecture of MCI's future data services, as well as the development of
a common framework in which data, voice and video services can be delivered
to businesses and consumers with equal ease.

Prior to rejoining MCI, he served as vice president of the Corporation for
National Research Initiatives (CNRI) where he conducted national research
efforts on information infrastructure technologies.  Cerf co-developed the
computer networking protocol, TCP/IP, widely used in the industry and for
communications between the diverse university, government and commercial
data networks, known collectively as the Internet.  He also has served as
president of the Internet Society since 1992.

From 1982 to 1986, Cerf was vice president of MCI Digital Information
Services serving as the chief engineer of MCI Mail.  He also has played a
major role in sponsoring the development of Internet-related data packet
technologies during his stint with the Department of Defense's Advanced
Research Projects Agency (ARPA) from 1976 to 1982.  He served on the
Stanford University faculty in the computer science and electrical
engineering departments and worked on the ARPA network development
at UCLA.

Cerf holds a bachelor of science degree in mathematics from Stanford
University and a masters of science degree and PhD in computer science
from UCLA.

The Data Services and Information Division, located in Dallas, was created
in August of 1993 to consolidate MCI's data development, marketing and
operations resources in order to better meet customer needs in all aspects
of the growing field of data communications, including virtual broadband
data networking, private line and videoconferencing networks.

MCI, headquartered in Washington, D.C., offers a full range of domestic and
global telecommunications services through one of the world's largest
state-of-the-art networks.  With 1992 revenue of over $10 billion, the
company is the second largest long distance provider in the U.S. and has
more than 65 offices in 55 countries and territories.