Michael Todd Edwards is a Professor of Mathematics Education at Miami University in Oxford, Ohio. He is the co-editor of Contemporary Issues in Technology and Mathematics Teacher Education, North American GeoGebra Journal, and Ohio Journal of School Mathematics. Serving as the co-director of the GeoGebra Institute of Ohio, Dr. Edwards' research interests focus on the teaching and learning of school mathematics with technology (specifically dynamic mathematics software), ethical issues surrounding the use of free software and the free software movement, and writing as a vehicle to learn mathematics at all levels of instruction.