Dr. Tractenberg is an assistant professor in the Department of Neurology, with secondary appointments in Biostatistics, Bioinformatics and Biomathematics and Psychiatry, in the Georgetown University School of Medicine. She is a biostatistician and methodologist with over ten years of experience designing and analyzing experimental research. Her areas of interest include statistical methodology and pedagogy in statistics, as well as neuropsychological instrumentation, identification of outcomes, experimental design, and longitudinal analytic methodologies. Prior to coming to Georgetown, Dr. Tractenberg spent five years at the University of California at San Diego as a biostatistician and scientist within a national consortium of Alzheimer's disease research centers. Since arriving at GU in 2002, she has collaborated on research projects on both the Main and Medical school campuses. Dr. Tractenberg was the biostatistical consultant for the General Clinical Research Center 2003-2006 and joined Neurology in 2006.