Dr. Elliott is a senior principal researcher at RAND and holds its Distinguished Chair in Statistics. His areas of interest include health disparities, Medicare, vulnerable populations, healthcare experiences, profiling of health care institutions, survey sampling, experimental design, casual inference, and case-mix adjustment in US and UK applications. He has developed Bayesian methods of estimating race/ethnicity and associated disparities using surname and address information. Elliott led Office of Minority Health work developing novel, cost-effective sampling and analytic methods to improve national health estimates for small racial/ethnic subgroups. Since 2006, he has led the CMS Medicare CAHPS® (Consumer Assessment of Health Providers and Systems) Analysis project, assessing patient experiences for 400,000 surveyed beneficiaries annually. Since 1996, he has been RAND's lead statistician on the AHRQ CAHPS I-III projects and currently co-leads the AHRQ CAHPS IV project. Elliott is a Fellow of the American Statistical Association and the first recipient of its Mid-Career Award (Health Policy Section). He has published over 300 peer-reviewed articles in a variety of journals. He serves on the editorial boards of Health Services Research, Medical Care Research and Review, and the Journal of General Internal Medicine. In 2014 Elliott was recognized by Thomson Reuters as one of the Top 1% of Cited Scientists 2002-2012. He received a Ph.D. in Statistics from Rice University.