William F. Boyle is Chair of Educational Assessment and Director of the Centre for Formative Assessment Studies (CFAS) at the University of Manchester, UK.

For the last 20 years, Prof. Boyle has been involved in national and international research and development into assessment, and its integration with the curriculum and teaching and learning. He has been funded to support assessment developments from classroom to Ministry level in a range of countries by UNESCO, The World Bank, Asian Development Bank and the Department for International Development, and is currently on the Expert Council of the World Bank's “Russian Education Aid for Development” programme.

Gordon Stobart is Emeritus Professor of Education at the Institute of Education, London, and Professor of Education at Bristol University. After teaching English in secondary schools he retrained as an educational psychologist.

His doctorate, which he undertook as a Fulbright Scholar in the US, was in applied psychology. He became Head of Research at London Examinations before moving to develop qualifications and assessmentsystems in government agencies. He is a founder member of the Assessment Reform Group (ARG), which campaigns for better use of formative assessment in teaching and learning. He is also a former editor of the international journal Assessment in Education: Principles, Policy and Practice and his latest book,Testing Times: The uses and abuses of assessment, was published in 2008.