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Lesley Fleischman
CATF Expert

Lesley Feldman

Research and Analysis Manager


Lesley Feldman is a Research and Analysis Manager on the Methane Pollution Prevention team. She conducts technical analysis to support policies that will reduce methane emissions from the oil and gas industry. She has managed the program’s research on the health impacts of air pollution from oil and gas. Lesley has provided technical comments in rule-making proceedings in Colorado, New Mexico, California, and at the Federal level. Internationally, Lesley manages the Country Methane Abatement Tool (CoMAT), which helps countries estimate oil and gas methane emissions and develop strong policies.

Prior to joining CATF, Lesley worked at the Union of Concerned Scientists as an analyst in the Energy Program, where she conducted analysis and wrote reports on coal plant retirements and the role of natural gas in electricity production. She also worked for the Environment, Social, and Governance (ESG) Ratings team at MSCI, Inc., where she analyzed the social and environmental performance of a portfolio of energy and mining companies. Lesley received a Masters in Public Policy from the Harvard Kennedy School. She also holds a B.A. from Haverford College in History and Economics.