Deborah Loewenberg Ball is the William H. Payne Collegiate Professor of Education and an Arthur F. Thurnau Professor in the School of Education at the University of Michigan, and the founding director of TeachingWorks. She taught elementary school for more than 15 years, and continues to teach mathematics to elementary students every summer. Ball serves on the National Science Board and the Mathematical Sciences Research Institute Board of Trustees, chairs the Spencer Foundation Board of Directors, and is the president-elect of the American Educational Research Association. She completed eleven years as dean of the U-M School of Education in June 2016. Ball's research focuses on the practice of mathematics instruction and on the improvement of teacher training and development. She is an expert on teacher education, with a particular interest in how professional training and experience combine to equip beginning teachers with the skills and knowledge needed for responsible practice. Ball has authored or co-authored more than 150 publications and has lectured and made numerous major presentations around the world.