Chief Scientist
Jon S. Twing, Ph.D., is a Chief Scientist at HumRRO, specializing in educational measurement and evaluation. Prior to joining HumRRO, he spent more than three decades at Pearson, where he was ultimately responsible for Global Assessments & Qualifications Services focusing on the development, validity, and efficacy of learning systems that integrate measurement and instruction. He has more than 40 years of experience in experimental psychology, psychometrics, research and assessment development.
Dr. Twing has provided measurement expertise and consulting services to various organizations such as Organization for Economic Co-operation and Development (OECD), Abu Dhabi Education Council, The Central Board of Secondary Education in India, the Australian Curriculum Assessment and Reporting Authority, and the National Assessment of Educational Progress. He was a Research Fellow at the University of Oxford in England, and at the University of Sydney in Australia.
Dr. Twing serves or has served as a member of numerous boards, committees and service organizations, including The International Testing Commission, The College Board Psychometric Panel, American Educational Research Association, National Council on Measurement in Education, Council of Chief State School Officers, The Association of Test Publishers, and the American Psychological Association, The University of Iowa College of Education Advisory Board, and the ACT Aspire Board of Directors.