Rogers Hall is Professor and Chair in the Department of Teaching and Learning, Vanderbilt University. His research concerns the learning and teaching of mathematics, both as a school topic and as a resource for modeling and inference in scientific inquiry, studies of learning in and out of school, comparative studies of mathematical activity in school and work settings, and (most generally) the organization and development of representational practices in technical and scientific work. Hall completed his Ph.D. in Information and Computer Science at the University of California, Irvine, then taught for ten years at UC Berkeley before joining the Vanderbilt faculty. He has been a fellow at the Center for Advanced Study in Behavioral Sciences (Stanford University, 2007-2008), the UC Humanities Research Institute (2001), and the Max Planck Institute for the History of Science (1999). He has also been a NAE/Spencer Foundation and McDonnell foundation postdoctoral fellow (1996-1997).