Charlene Marchese is a Regional Instructional Specialist in Mathematics for Region 9 in New York City. Part of her responsibilities in this position consist of providing professional development in mathematics education to coaches, teachers, assistant prinicpals and principals. Prior, she has worked as a mathematics staff developer for various middle schools in New York City. Charlene began her career as a teacher and taught middle school in New Jersey for 13 years, both in urban and surburban school districts. She has presented at local and national conferences and adjuncts at Bank Street College of Education in New York City. She is currently a doctoral candidate in Elementary Education, specializing in Mathematics Education at Rutgers University.