Paul Gilman is senior vice president and chief sustainability officer of Covanta Energy. Previously, he served as director of the Oak Ridge Center for Advanced Studies and as assistant administrator for the Office of Research and Development in the US Environmental Protection Agency. He also worked in the Office of Management and Budget, where he had oversight responsibilities for the US Department of Energy (DOE) and all other science agencies. In DOE, he advised the secretary of energy on scientific and technical matters. From 1993 to 1998, Dr. Gilman was the executive director of the Commission on Life Sciences and the Board on Agriculture and Natural Resources of the National Research Council. He has served on numerous National Research Council committees and is currently a member of the Committee on Human and Environmental Exposure Science in the 21st Century. Dr. Gilman received his PhD in ecology and evolutionary biology from Johns Hopkins University.
Daniel S. Greenbaum is president and chief executive officer of the Health Effects Institute (HEI), an independent research institute funded jointly by government and industry. In this role, he leads HEI’s efforts to provide public and private decision-makers with high-quality, impartial, relevant, and credible science on the health effects of air pollution to inform air-quality decisions in the developed and developing world. Mr. Greenbaum has focused HEI’s efforts on providing timely and critical research and reanalysis on particulate matter, air toxics, diesel exhaust, and alternative technologies and fuels. Before joining HEI, he served as commissioner of the Massachusetts Department of Environmental Protection. Mr. Greenbaum has chaired the US Environmental Protection Agency (EPA) Blue Ribbon Panel on Oxygenates in Gasoline and EPA’s Clean Diesel Independent Review Panel, and he is a member of the board of directors of the Environmental Law Institute. He has also served on several National Research Council committees, most recently the Committee on Health, Environmental, and Other External Costs and Benefits of Energy Production and Consumption and the Committee on Estimating Mortality Risk Reduction Benefits from Decreasing Tropospheric Ozone Exposure. Mr. Greenbaum earned an MS in city planning from the Massachusetts Institute of Technology.
Steven P. Hamburg is chief scientist at the Environmental Defense Fund. He is an ecosystem ecologist specializing in the impacts of disturbance on forest structure and function. He has served as an adviser to both corporations and nongovernment organizations on ecologic and climate-change mitigation issues. Previously, he spent 16 years as a tenured member of the Brown University faculty and was founding director of the Global Environment Program of the Watson Institute for International Studies. Dr. Hamburg is the co-chair of the Royal Society’s Solar Radiation Management Governance Initiative and a member of the US Department of Agriculture Advisory Committee on Research, Economics, Extension and Education. He has been the recipient of several awards, including recognition by the Intergovernmental Panel on Climate Change for contributing