Rochelle Tractenberg, PhD, MPH, PhD, PStat® is the Co-Director of NC-SCIMS, Principal Investigator of the Module Project, and the NC-SCIMS Biostatistician. She is a tenured Professor at Georgetown University in the Department of Neurology. Her PhDs are in Cognitive Sciences (1997) and Measurement and Statistics (2009), with a Doctoral-level certificate in Gerontology (2006), and an MPH (2002) focusing on biostatistics and biometry. She is a research methodologist and scientist who specializes in outcomes, measurement, and the alignment of clinical objectives with statistical methods. She has published widely on biomedical instrument design, development, validation, analysis and interpretation.