Aaron Orzech is a School-Based Teacher Leader with the School District of Philadelphia, and previously served the district as a Senior Associate for School Improvement Planning and Evidence-Based Supports. He holds a doctorate in Quantitative Education Policy Analysis from the Harvard Graduate School of Education, where his work focused on middle and secondary school math curriculum, high school to college transitions, and how schools and districts can use data in ways that lead to authentic and durable improvement. Before studying at Harvard, Aaron taught high school math in New York City as a Master Teacher with Math for America, and led professional development on reflective teaching practice and the Common Core State Standards with the Park City Math Institute. In addition to his doctorate, he holds a B.A. in Classics from the University of King’s College, a Master’s in International Relations from the University of California, San Diego, and an M.Sc. in math education from Pace University.