Senior Fellow, The Urban Institute. Adjunct Professor, School of Public Health, The George Washington University; Adjunct Professor, Fuqua School of Business, Duke University; Former Vice President, The Lewin Group; Former Director, Center for Health Plans and Providers, The Health Care Financing Administration; Former Acting Deputy Administrator, Health Care Financing Administration; Former Director, The Center for Health Plans and Providers, Health Care Financing Administration; Co-Founder, Former Board Member, and Former Director, National Capital Preferred Provider Organization; Former National Director, Improving Malpractice Prevention Compensation Systems, American College of Physicians; Board Certified Internist.