Daniel Greenbaum leads the Heath Effects Institute’s efforts to provide public and private decision makers around the globe with high quality, impartial, relevant, and credible science about the health effects of air pollution. He has been a member of the U.S. National Research Council (NRC) Board of Environmental Studies and Toxicology and Vice Chair of its Committee for Air Quality Management in the United States. He recently served on the NRC’s Committee on The Hidden Costs of Energy and is currently serving on their Committee on Grand Challenges for Environmental Engineering. Greenbaum also chaired the EPA’s Blue Ribbon Panel on Oxygenates in Gasoline and EPA’s Clean Diesel Independent Review Panel, which reviewed technology progress in implementing the 2007 Highway Diesel Rule. He is currently a member of EPA’s national Clean Air Act Advisory Committee. He has been widely recognized for his contributions to advancing clean air and quality science. He has received the California Air Resources Board’s Haagen-Smit Clean Air Leadership Award, and the Thomas W. Zosel Outstanding Individual Achievement Award from the U.S. EPA. Prior to joining HEI, he served as Commissioner of the Massachusetts Department of Environmental Protection from 1988 to 1994. Greenbaum holds Bachelor's and Master's degrees in City Planning from the Massachusetts Institute of Technology.