Ronald Graham holds the Irwin and Joan Jacobs Endowed Chair in Computer and Information Science and is Chief Scientist of the California Institute for Telecommunications and Information Technology. He joined the UCSD faculty in 1999, after a 37-year career with AT&T. Graham received his PhD in mathematics from U.C. Berkeley in 1962. From 1962-95, he was director of information sciences at AT&T Bell Labs, and from 1996-99 Chief Scientist of AT&T Labs. Graham has held visiting professorships at Rutgers, Princeton, Caltech, Stanford, UCLA, and U.C. Davis, and he holds five honorary doctorates. Graham is the Treasurer of the National Academy of Sciences, a Fellow of Amer. Academy of Arts and Sciences, a past President of the American Mathematical Society, and is currently President of the Mathematical Association of America. He has won numerous awards in the field of mathematics, including the Polya Prize in Combinatorics.