Ricardo Baeza-Yates received his Ph.D. in Computer Science from the University of Waterloo, Canada in 1989. In 1992 and 1996, he was elected president of the Chilean Computer Science Society. In 1993, he received the Organization of American States award for yound researcher in exact sciences. He has several papers in various journals and is a member of ACM, AMS, EATCS, IEEE, SCC and SIAM. He is currently a full professor at the Computer Science Department of the University of Chile, Santiago.