Dylan Wiliam, Ph.D., is one of the world’s foremost education authorities. With partners Paul Black and Siobhan Leahy, Dylan has developed and has helped to successfully implement classroom formative assessment in thousands of schools all over the world, including the United States, Canada, Singapore, Sweden, Australia, and the United Kingdom.

Wiliam is Professor Emeritus of educational assessment at UCL Institute of Education (IOE), London, UK and Executive Director of the Learning Sciences International Dylan Wiliam Center. After a first degree in mathematics and physics, Wiliam taught in urban public schools for seven years, during which time he earned further degrees in mathematics and mathematics education.

He has served as dean and head of the School of Education at King’s College London, senior research director at the Educational Testing Service in Princeton, NJ and Deputy Director of the Institute of Education, University of London. Since 2010, he has devoted most of his time to research and teaching.

Wiliam’s most recent publication, Creating the Schools Our Children Need: Why What We’re Doing Now Won’t Help Much (And What We Can Do Instead), analyses the approaches that American schools have taken in order…