Jeff is a climate scientist and environmental advocate with experience advancing international, federal, and state climate policy. Prior to joining A2, he was a Hydrofluorocarbons (HFCs) Fellow at the Natural Resources Defense Council, where he supported domestic and international HFC reduction strategies under the American Innovation and Manufacturing Act and the Kigali Amendment to the Montreal Protocol. He also contributed to efforts addressing other non-CO2 climate pollutants. Previously, Jeff worked with the Environmental Defense Fund, supporting research and policy analysis on climate-related financial risk. He holds a Master of Science in Sustainability Science from Columbia University and a Bachelor of Science in Environmental and Sustainability Science from Cornell University. His work is driven by a commitment to translating complex science into practical solutions that advance climate action and environmental protection. After building much of his career in Washington, DC, Jeff recently relocated to Salt Lake City, where he enjoys hiking, skiing, and spending time in nature.