Dr. Ou Lydia Liu
Dr. Ou Lydia Liu is Principal Research Director in charge of three ETS research centers: Center for Education and Career Development, Center for Language Education and Assessment Research, and Center for K12 Teaching, Learning, and Assessment. The three research centers support ETS programs including GRE, TOEFL, TOEIC, Praxis, HiSET, and HEIghten and are responsible for foundational research in language assessment and learning, K-12 teaching, learning, and assessment, and higher education and workforce assessment and training. Dr. Liu is an internationally recognized expert in assessment and research of critical competencies in higher education. She has also managed over five-million-dollar grants awarded by the National Science Foundation and other funding agencies in the United States, India, China, and Korea.
Dr. Liu has authored and coauthored over 90 peer-reviewed journal articles, research reports, and book chapters in the fields of applied measurement, higher education, and science assessment. Her research appeared in Science, Educational Researcher, and other influential outlets. She delivered over 100 peer-reviewed conference presentations and invited seminars. Dr. Liu received the 2019 Robert Linn Memorial Lecture Award and 2011 National Council on Measurement in Education Jason Millman Promising Measurement Scholar Award in recognition of her original and extensive research in learning outcomes assessment in higher education and K-12 science assessment. Dr. Liu holds a doctorate in Quantitative Methods and Evaluation from the University of California, Berkeley.
Dr. Guangming Ling
Dr. Ling is a Managing Senior Research Scientist at the Academic to Career Research Center, Educational Testing Service. Dr. Ling’s research focuses on assessment and training of core competencies, student learning outcomes assessments, and factors related to test validity,
reliability, and fairness issues, covering a wide range of topics such as test mode effects, subscore reporting, test-taking motivation, computerized adaptive testing, and human- and machine-scoring of essay and speech responses.
Dr. Mousavian is currently an Associate Professor of Engineering and Management in David D. Reh School of Business at Clarkson University, Potsdam, NY. He joined Clarkson University in 2014 and has been serving as the Director of Assurance of Learning since January 2018. He earned his B.S. degree in Industrial Engineering from Sharif University of Technology, Tehran, Iran in 2007. After his MBA degree in 2010, he received Master's and Ph.D. in Industrial and Systems Engineering in 2012 and 2014 from Auburn University, Auburn, AL.
Dr. Mousavian's research interests are focused on the applications of operations research in modeling the operations of energy systems as well as developing models and algorithms for security of cyber-physical systems such as smart electric power grids and electric transportation systems. Dr. Mousavian's research agenda focuses on the question of how to leverage technology advancements to continue the trend of improving the supply chain of electricity while satisfying and exceeding the resiliency and security requirements.
Christine MacKrell is Regional Manager, Assessment Solutions at ETS. As Regional Manager in the Higher Education division, MacKrell works with institutions throughout the country on their assessment plans and processes, including all facets of test administration and score interpretation. MacKrell has worked in the field of higher education for 20 years.