and applied mechanics. He will continue his association with Cornell University as an adjunct professor. Dr. Castillo-Chavez has received numerous awards, including two White House Awards (1992 and 1997), the 2002 SACNAS Distinguished Scientist Award, and the Richard Tapia Award (2003). He has co-authored more than 100 publications and edited or co-authored six books. His edited volume (with Tom Banks) on the use of mathematical models in homeland security has just been published in Society for Industrial and Applied Mathematics (SIAM) Frontiers in Applied Mathematics. He held the position of Ulam Scholar at the Center for Nonlinear Studies at Los Alamos National Laboratory during 2003. He received a Ph.D. in analysis and applied mathematics from the University of Washington, Sevens Point.

Douglas Grouws is a professor of mathematics education at the University of Missouri, where he is a William T. Kemper Fellow. His research focuses on the role of the teacher in facilitating student learning in mathematics in whole-class situations, in small instructional groups, in problem solving, and in the use of technology. He is editor of the Handbook of Research on Mathematics Teaching and Learning and has written many articles and chapters on effective mathematics teaching. His current work includes directing the National Science Foundation-funded Mathematics Through Technology Project and serving on a number of committees and boards, including the National Council of Teachers of Mathematics (NCTM) Research Advisory Committee, the Third International Mathematics and Science Study Video Study Advisory Committee, Project Intermath, the NCTM National Assessment of Educational Progress Interpretation Committee, and the Journal of Mathematics Teacher Education Editorial Board. He is also a member of the Executive Committee of the Mathematical Sciences Education Board. He received his Ph.D. in mathematics education from the University of Wisconsin.

Carolyn Mahoney is provost and vice chancellor for academic affairs at Elizabeth City State University, North Carolina. She was inducted into the State of Ohio Women’s Hall of Fame for Education in 1989. Dr. Mahoney was a member of the steering committee of the Mathematical Education of Teachers Project. She has served on several national programs aimed at improving teacher education in mathematics, as well as enhancing public understanding of and appreciation for mathematics. She is a member of the American Mathematics Society, Mathematical Association of America, National Association of Mathematicians, National Council of Teachers of Mathematics, and Association for Women in Mathematics. Dr. Mahoney earned a Ph.D. in mathematics at Ohio State University in 1983.

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