Brian Bowen, Ph.D., has been an educator in Pennsylvania for more than 20 years. In his early career, he taught at both the elementary and secondary levels in the Greater Philadelphia Region. Dr. Bowen is currently a Professor at West Chester University of Pennsylvania helping to prepare pre-service elementary and middle grades teachers in the area of mathematics. Dr. Bowen�s current research interest involves teaching practices that support the growth of conceptual understanding of mathematics for pre-service teachers.