Stephen G. Sireci, Ph.D. is President of Sireci Psychometric Services, Inc., and Distinguished University Professor and Director of the Center for Educational Assessment in the College of Education at the University of Massachusetts Amherst. He is currently Past-President of the National Council on Measurement in Education (NCME.org). He earned his Ph.D. in psychometrics from Fordham University and his master and bachelor degrees in psychology from Loyola College in Maryland. Before UMASS, he was Senior Psychometrician at the GED Testing Service, Psychometrician for the Uniform CPA Exam and Research Supervisor of Testing for the Newark NJ Board of Education. He is known for his research in evaluating test fairness, particularly issues related to content validity, test bias, cross-lingual assessment, standard setting, and computerized-adaptive testing. He is the author of over 130 publications, many more conference papers, and he is the co-architect of the Massachusetts Adult Proficiency Tests. He is a Fellow of the American Educational Research Association and a Fellow of Division 5 of the American Psychological Association. Formerly, he was President of the Northeastern Educational Research Association (NERA), Co-Editor of the International Journal of Testing, a Senior Scientist for the Gallup Organization and a member of the Board of Directors for the National Council on Measurement in Education. He has received several awards from UMass including the College of Education’s Outstanding Teacher Award, the Chancellor’s Medal, the Conti Faculty Fellowship, and a Public Engagement Fellowship. He also received the Thomas Donlon Award for Distinguished Mentoring and the Leo Doherty Award for Outstanding Service from NERA, and the Samuel J. Messick Memorial Lecture Award from Educational Testing Service and the International Language Testing Association in 2017. Professor Sireci reviews articles for over a dozen professional journals and he is on the editorial boards of Applied Measurement in Education, Educational Assessment, Educational and Psychological Measurement, and Psicothema. He is blessed to have three sons and one step-daughter, and to be married to Chloe Torres.