Thomas A. Burke, PhD MPH, is the Jacob I and Irene B. Fabrikant Professor and Chair in Health Risk and Society at Johns Hopkins University Bloomberg School of Public Health, Department of Health Policy and Management. He holds joint appointments in the Department of Environmental Health Sciences and the School of Medicine Department of Oncology. He is also Director of the Johns Hopkins Risk Sciences and Public Policy Institute. Dr. Burke was appointed by President Barack Obama to serve as the EPA Science Advisor and Deputy Assistant Administrator for Research and Development. At EPA he worked on broad range of science policy issues in support of President Obama’s Climate Action Plan. Before joining the University faculty, Dr. Burke was Deputy Commissioner of Health for the State of New Jersey and Director of Science and Research for the New Jersey Department of Environmental Protection.