Marilyn A. Brown began working with Georgia Tech in 2006 previously employed with the U.S. Department of Energy's Oak Ridge National Laboratory, where she held various leadership positions. Professor Brown has led several energy technology and policy scenario studies, becoming a national leader in the analysis and interpretation of energy futures. Her research has included an assessment of the U.S. Climate Change Technology Program, development of a national climate change technology deployment strategy, and an evaluation of the supply- and demand-side electricity resources available in the Southeast. Recent presentations have included meetings of the International Energy Agency, National Council of State Governments, National League of Cities, and the Organization of Economic Co-operation and Development.
Brown served for thirteen years on the board of directors of the Alliance to Save Energy, and in that capacity she co-founded the Southeast Energy Efficiency Alliance. She is on the editorial board of the Energy Efficiency Journal and the Journal of Technology Transfer and has been a member of the National Commission on Energy Policy and the board of directors of the American Council for an Energy-Efficient Economy. Among her honors and awards, she is a co-recipient of the 2007 Nobel Peace Prize, for co-authorship of the report on Mitigation of Climate Change. Brown has served on five committees of the National Academies of Sciences, including the Committee on America's Climate Choices and the Board of Energy and Environmental Systems. She serves on advisory committees to universities and foundations across the country. In 2010, she was sworn onto the board of directors of the Tennessee Valley Authority, the nation's largest public power provider, following her nomination by President Barack Obama.