Andrew J. Karter, PhD, has been a Research Scientist at Kaiser Permanente Northern California’s Division of Research for over 20 years, playing a leading role since 1994 in the design and maintenance of the Diabetes Registry, which includes data on more than 300,000 patients. He is the Associate Director for the National Institute of Diabetes and Digestive and Kidney Disease’s Health Delivery Systems Center for Diabetes Translational Research. He is also Adjunct Professor, Instructor with the Department of General Internal Medicine, University of California, San Francisco; affiliate professor, Department of Epidemiology and Department of Health Services, School of Public Health & Community Health, University of Washington; and faculty member, Robert Wood Johnson Foundation Health and Society Scholars Program. He received his doctorate in 1993 in epidemiology with a special emphasis on epidemiologic methods and biostatistics, and was awarded Phi Beta Kappa, Summa Cum Laude, and a Fulbright fellowship. Dr. Karter’s work spans both epidemiology and health services research in diabetes and its complications, with a current focus on the areas of hypoglycemia, medication adherence, diabetes care for the elderly, health disparities, health literacy and provider communication, language barriers to care, impact of health information technology, financial barriers and cost-sharing, and pharmacoepidemiology research.