Smita Siddhanti, a recognized expert in risk assessment and risk management, has more than 15 years of experience in managing work related to hazardous and radioactive waste management, human health and environmental risk assessment, policy/program analysis and environmental management training. She has extensive work experience in regulatory review, policy analysis and evaluation of technical and policy options supporting various federal agencies. Dr. Siddhanti has provided technical leadership and managed several major projects supporting various offices within: EPA's OSWER, OERR, ORD, OSW, OWPE, FFRRO, Office of Drinking Water and ORIA; DOE; DoD and the Air Force Center for Engineering and the Environment. In addition to a number of published articles, Dr. Siddhanti is an author of a book entitled Multiple Perspectives on Risk and Regulation: The Case of Deliberate Release of Genetically Engineered Organisms Into the Environment, published in 1991. Currently, she is the lead support to the radionuclide work group of the Interstate Technology & Regulatory Council (ITRC), made up of State representatives from various DOE and Superfund sites. Recent projects include: developing Guidance for Monitored Natural Attenuation for Radionuclides; Radiation stakeholder analysis and database development; Clean Technology project; Strategy for managing very low-level radioactive waste; Developing and conducting Regional trainings for Radiation Risk Assessment; and, developing Technology Screening Guide for Radioactively Contaminated Sites. She also managed and provided technical leadership for Soil Screening Guidance and Technical Background Documents for both hazardous and radioactive waste. In addition, she serves on the Governor's Air Quality Board for the State of Virginia. . Dr. Siddhanti holds a B.S. and M.S. in Biology from University of Delhi in India, M.S. in Technology Policy from Rensselaer Polytechnic Institute, and Ph.D. in Technology and Public Policy from University of Pittsburgh.