Ricardo Baeza-Yates received the bachelor degree in CS in 1983 from the University of Chile. Later, he received also the M.Sc. in CS (1985), the professional title in electrical engineering (1985) and the M.Eng. in iEE (1986) from the same university. He received his Ph.D. in CS from the U. of Waterloo, Canada, in 1989. In 1992 he was elected president of the Chilean Computer Science Society (SCCC) until 1995, being elected again in 1997. During 1993, he received the Organization of American States award for young researchers in exact sciences. In 1997 with two Brazilian colleagues obtained the COMPAQ prize to best Brazilian research article in CS. During 2002-2004 he was member of the Board of Governors of the IEEE Computer Society. In 2003 he was incorporated to the Chilean Academy of Sciences, being the first computer scientist to achieve this position.Currently he is director of Yahoo! Research Barcelona and Yahoo! Research Latinamerica in Santiago, Chile. During 2005 he was an ICREA Professor at Universitat Pompeu Fabra in Barcelona. He also was a professor and director of the Center for Web Research, that he founded in 2002, at the CS department of the University of Chile, where he was the chairperson in the period 1993-5 and 2003-4. His research interests include information retrieval, algorithms, and information visualization. He is co-author of the book Modern Information Retrieval, published in 1999 by Addison-Wesley, as well as co-author of the 2nd edition of the Handbook of Algorithms and Data Structures, Addison-Wesley, 1991; and co-editor of Information Retrieval: Algorithms and Data Structures, Prentice-Hall, 1992, between other publications in journals published by ACM, IEEE or SIAM. He has been visiting professor or invited speaker at several conferences and universities all around the world, as well as referee of several journals, conferences, NSF, etc. He is member of the ACM, EATCS, IEEE, SCCC and SIAM.