Barbara Dubitsky, EdD (1941–2022) was the former director of the Leadership in Mathematics program at Bank Street College of Education. She worked for many years as a public school teacher in grades 4 through 6, and went on to become a middle-school math teacher and math coordinator. She also worked extensively in public and private schools to help teachers build their capacity to teach mathematics. From 2003 to 2018, Dr. Dubitsky served as the co-Principal Investigator for Math for All.