Mark V. Nadel is Visiting Professor and Academic Director of the Masters of Public Management program. Prior to assuming those positions he was an adjunct professor at GPPI for ten years. He has also taught at Cornell and Johns Hopkins universities.

Professor Nadel has also had a long career in government, most recently as the Associate Commissioner for the Office of Disability and Income Assistance Policy at the Social Security Administration. He was responsible for providing broad policy analysis and development for the Disability Insurance and Supplemental Security Income (SSI) programs. Prior to coming to Social Security, Professor Nadel was Associate Director of the General Accounting Office's Income Security issue area where he was primarily responsible for GAO's work on welfare reform and child welfare issues. Previously, he directed GAO's work on public health and health insurance issues. He has testified numerous times before Congress on health policy and children's issues.

Professor Nadel is primarily interested in policy issues at the intersection of disability, health, and welfare programs.