Mark Thaggard is currently the Deputy Director for Emergency Preparedness within the Division of Preparedness and Response in the Office of Nuclear Security and Incident Response at the NRC. Mr. Thaggard has served in this position since March 2011, where he is responsible for developing emergency preparedness policies, regulations, programs, and guidelines for both currently licensed nuclear reactors and potential new nuclear reactors; providing technical expertise on emergency preparedness issues and interpretations; conducting technical and regulatory reviews of emergency preparedness applications and amendments; and providing emergency preparedness technical support for inspection activities. Mr. Thaggard joined the NRC in 1989 as a Hydrologist in the Office of Nuclear Materials Safety and Safeguards where he provided technical support on radioactive waste disposal and decommissioning projects. Since that time, he has served in a number of progressively more responsible positions, including serving as Chief of the Performance Assessment Branch in the Office of Federal and State Materials and Environmental Management Programs; Chief of the Hydrologic Engineering Branch in the Office of New Reactors; and Deputy Director of the Division of Intergovernmental Liaison and Rulemaking in the Office of Federal and State Materials and Environmental Management Programs. Prior to joining the NRC, Mr. Thaggard worked on hydrologic studies for over seven years for a government utility in Florida. Mr. Thaggard earned his B.A. degree in Geology from the University of South Florida, and has M.S. degrees in Applied Mathematics and Environmental Engineering from Johns Hopkins University.