Deborah Hughes Hallett is Adjunct Professor of Public Policy and Professor of Mathematics at the University of Arizona. She graduated from Cambridge University in England and has taught at Middle East Technical University in Ankara, Turkey, and Universiti Brunei Darussalam. Her work is on strategies to improve the teaching of mathematics, and she is interested in promoting international cooperation between mathematicians. With Andrew Gleason at Harvard, she organized the Calculus Consortium for Higher Education and started a foundation to promote innovative curriculum and pedagogy. She has served on committees for the National Academy of Sciences and organized three international conferences on the teaching of mathematics. She is a fellow of the American Advancement of Science and the author or coauthor of seven books, which have been translated into several languages. Her work has been recognized by prizes from Harvard University, the University of Arizona, the Association for Women in Mathematics, and the Mathematical Association of America.