Richard Kronick , Ph.D. is a Professor in the Department of Family and Preventive Medicine at the University of California, San Diego. His work focuses on understanding the causes and consequences of lack of insurance, and on understanding whether and how markets can be made to work in health care, particularly for vulnerable populations. He has developed and helped state Medicaid programs implement risk-adjusted payment systems for payment to HMOs. In 1993-94 he was a Senior Health Policy Advisor in the Clinton Administration, where he contributed to the design of the Administration's health care reform proposal. In the late 1980s he co-authored, with Alain Enthoven, a proposal to achieve universal coverage in the U.S., and contributed to the theory of managed competition. Prior to that he served as the Director of Policy and Reimbursement in the Massachusetts Medicaid program. Dr. Kronick received his Ph.D. in Political Science from the University of Rochester. In 2005-2006, he was an AcademyHealth/NCHS Fellow, working on improving our estimates of the effects of being uninsured on mortality and morbidity.