Dr. Harold R. Melnick is a faculty member of the Leadership in the Math Education program at Bank Street College of Education in NYC. He teaches courses in Math Education for new and tenured teachers and for math coaches. Dr. Melnick began his career as an elementary school teacher in the New York City public schools where he studied in and taught Madison Project courses for NYC teachers across the city. Today he enjoys working as a mathematics professional developer in public and private schools both in the U.S. and internationally. His focus is on developing professional learning communities in schools, enlarging teacher’s pedagogical content knowledge as they teach mathematics and on helping teachers reflect on their own beliefs about mathematics teaching and its affect on student learning. Currently he is engaged in consulting for the NYC Dept. of Education’s Early Childhood Assessment in Math Professional Development effort. Dr. Melnick holds a Ph.D. in Mathematics Education from the Union Institute and a Masters Degree from Bank Street College.