Louis Pouzin is one of the pioneers in computer communications. He designed and directed the development of the Cyclades network in France, the first to use datagrams and matching end-to-end protocols, later adopted by the Internet. He is now retired and contributes to several associations and working groups related to Internet development. He has received ACM SIGCOMM and IEEE Internet awards. He graduated from Ecole Polytechnique in Paris, and has published 82 articles and a book on computer networks.