Dr. Steven Hamburg is chief scientist and senior vice president of the Environmental Defense Fund (EDF) as well as executive manager of MethaneSAT LLC (non-profit subsidiary of EDF). His academic training is in ecosystem ecology and biogeochemistry. He spent 25 years on the faculties of Brown University and the University of Kansas where he served in numerous administrative positions in addition to his teaching and research. He has published more than 100 scientific papers on biogeochemistry, climate change impacts, carbon accounting and methane emissions from the oil and gas value chain. Over the last decade he has coordinated research on quantifying methane emissions from the oil and gas sector globally. He has also served as a lead author for the Intergovernmental Panel on Climate Change (IPCC) and was acknowledged as one of the contributing recipients of the 2007 Nobel Peace Prize. His current professional service includes: Chair, Science Oversight Committee and member of Implementation Committee, International Methane Emissions Observatory, UNEP; member, Advisory Board, Division on Earth and Life Sciences, National Academies of Science, Engineering and Medicine.