expert
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Guilherme Prezotti
Guilherme Prezotti serves as Agriculture Methane Manager at Clean Air Task Force (CATF), where he leads efforts to advance methane mitigation strategies for livestock systems across Latin America. His work focuses on identifying scalable solutions that reduce emissions from cattle production while supporting producer adoption, productivity gains, and sustainable agricultural…
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Christopher Heck
Christopher serves as CATF’s U.S. Director for Nuclear Energy, working to accelerate the deployment of advanced nuclear technologies and promote policies that support nuclear energy as a key component of a clean, reliable, and affordable energy future. Over the last 15 years, Christopher has built a reputation for bringing together…
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Alex Howe
Alex Howe joined CATF in October 2026 and serves as Oil and Gas Manager with the Methane Pollution Prevention team. In this role he works with governments, industry, NGOs and international institutions to develop, implement and strengthen methane reduction policies and programs in oil- and gas-producing countries. Alex previously worked…
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Sayyidah Salam
Sayyidah joined CATF in September 2026 as a Project Manager on the Industrial Innovation team. She oversees the delivery of strategic projects that support CATF’s industrial decarbonization agenda across Europe. Working closely with the Industrial Innovation’s Europe team and the European Advocacy team, she helps drive and execute research initiatives,…
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Jack Gomersall
Jack Gomersall joined CATF in January 2026 and serves as Senior Manager, Europe on CATF’s Industrial Innovation team. In this role, Jack supports the implementation of climate and energy policy that drives real progress in decarbonizing European industry. He focuses on how smart regulation and effective policy design can accelerate…
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Hannah York
Hannah York joined Clean Air Task Force in 2026 as the Policy Associate for the Fusion Energy program. In this role, she develops and advocates for policies to advance fusion energy across U.S. federal, U.S. state, and European contexts. Her work focuses on accelerating the commercialization of fusion energy through…
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Natalie Co
Natalie Co joined Clean Air Task Force in September 2026 as Acting Chief of Talent and Organization. In her role, Natalie leads efforts to strengthen and support the evolution of CATF’s talent and organizational effectiveness functions. Natalie brings more than 20 years of experience guiding organizations through growth, transformation, and…
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Pablo Lopez Legarreta
Pablo joined CATF in 2026 as the Europe Policy Manager for the Methane Pollution Prevention team. In this role, he leads the implementation of CATF’s methane strategies to reduce emissions from major emitting sectors across the European continent. He brings over 15 years of experience in climate change policy in…
