Dr. David M. Bressoud is the DeWitt Wallace Professor of Mathematics in the Department of Mathematics and Computer Science at Macalester College. He earned his bachelor's degree in Mathematics from Swarthmore College and his master's degree and Ph.D. in Mathematics from Temple University. Professor Bressoud is experienced in teaching mathematics to students of all levels. As a Peace Corps volunteer before earning his Ph.D., he taught mathematics and science to intermediate school students in the West Indies, and he taught Advanced Placement Calculus at State College Area High School in Pennsylvania. A former Fulbright fellow and Sloan Foundation fellow, Professor Bressoud has served as Visiting Professor at the Institute for Advanced Study and the Mathematical Association of America's Pólya Lecturer and has received the Mathematical Association of America's Allegheny Mountain Section Distinguished Teaching Award. He is president of the Mathematical Association of America for the 2009-2011 term. He is the author of more than 50 research articles; 15 articles on mathematics education and related issues; and seven books, including four textbooks that draw on the history of mathematics, and Proof and Confirmation: The Story of the Alternating Sign Matrix Conjecture, which won the MAA Beckenbach Book Prize.