Isabel Nisbethas held senior posts in organizations regulating the medical profession and postgraduate medical education, followed by a leading role in the regulation of educational assessments and qualifications. She was the founding CEO of Ofqual, the statutory regulator of qualifications in England. From 2011-2014 she worked for Cambridge Assessment in South East Asia, based in Singapore. Isabel serves on the Board of Qualifications Wales and is a governor of two universities in England. She is an affiliated lecturer at the Faculty of Education, University of Cambridge. Stuart Shaw has a wide range of publications in English second-language assessment and educational research journals. Assessment books he has co-written include Examining Writing: Research and practice in assessing second language writing, Validity in Educational and Psychological Assessment and Language Rich: Insights from multilingual schools. He is a fellow of the Association for Educational Assessment in Europe and a fellow of the Chartered Institute of Educational Assessors.