Sam Rikoon is a research scientist in the K12 Teaching, Learning, and Assessment Center at ETS in Princeton, NJ, and serves as ETS’s Research liaison to ISA. He works on building and validating applications of noncognitive and social emotional learning (SEL) assessments for use with populations ranging from middle school students through those in higher education and the workforce. Recently, he has been the research lead for ETS SuccessNavigator and its high school adaptation, as well as PI on a longitudinal study of student learning outcomes in higher education. Sam also led a project funded by the Wallace Foundation to develop a brief situational judgment test of interpersonal skills for middle and high school students, and has been leading efforts to catalog and make use of ETS’s history of noncognitive assessment work going back several decades. His methodological expertise includes classical test and item response theory, multilevel and mixture modeling, longitudinal analyses, and structural equation modeling. Sam received his Ph.D. degree in Policy Research, Evaluation and Measurement (Quantitative Methods) from the University of Pennsylvania.