Alina von Davier is a senior research director at Educational Testing Service (ETS) and an adjunct professor at Fordham University. At ETS she developed the expertise and psychometric research agenda in support of next generation of assessments. Previously she led a psychometric center for international tests, where she was responsible for the scores reported to about a million of test takers annually. She edited a volume on test equating, Statistical Models for Test Equating, Scaling, and Linking, and wrote several other books on psychometrics. Her novel approach to the assessment of collaborative problem solving skills gained attention recently. She is a frequent invited-speaker at national and international forums on a variety of topics from statistics and educational assessment.Dr. von Davier holds an M.Sc. in Mathematic from the University of Bucharest, Romania and a Ph.D. in Mathematics from the Otto von Guericke University of Magdeburg, Germany.