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About EPA

About the Director of EPA's Science Advisory Board Staff Office

Tom Brennan

Tom BrennanTom Brennan is the Director of EPA's Science Advisory Board Staff Office. Mr. Brennan has thirty years of professional experience working in the fields of risk policy, risk assessment and environmental science. Mr. Brennan began his career working for consulting firms in the Washington, D.C. area. His consulting work supported risk assessment activities for U.S. Department of Agriculture, the Department of Defense, and EPA.

For the past nineteen plus years, he has been working for EPA, where he has held several positions including Risk Assessor, Communications Officer, Team Leader, and Branch Chief.  He has been the Deputy Director of the Science Advisory Board Staff Office and the Office of Environmental Education, and Chief of Staff for the Office of Public Engagement and Environmental Education. In addition to his work at EPA, Mr. Brennan was also an Adjunct Professor in the Biology Department of Montgomery College, where he taught Environmental Science and General Biology from 2011-2014. Mr. Brennan has also been an active participant in the Society for Risk Analysis where he has given many presentations on risk assessment topics over the years. Mr. Brennan has a B.S. and M.S. degree from Ohio University in Botany/Plant Biology.