David C. Colby, PhD, is the Vice President of Research and Evaluation at the Robert Wood Johnson Foundation.  Previously, he was the Interim Vice President and Deputy Director of Research and Evaluation, the Deputy Director of the Health Care Group, interim team leader for the Quality Team, and team leader for the Coverage Team at the Foundation.  He came to the Foundation in January 1998 after nine years of service with the Medicare Payment Advisory Commission and the Physician Payment Review Commission, where he was Deputy Director.  Earlier he taught at the University of Maryland Baltimore County, Williams College and State University College at Buffalo.  Dr. Colby’s published research has focused on Medicaid and Medicare, media coverage of AIDS, and various topics in political science.  He was an associate editor of the Journal of Health Politics, Policy and Lawfrom 1995 to 2002.  He received his doctorate in political science from the University of Illinois, MA from Ohio University, and BA from Ohio Wesleyan University.