Our experts

  • Rudek, Joe
    Lead Senior Scientist

    Areas of expertise: Agricultural emissions to land, water, and air from livestock, rice and upland crops; methane emissions from natural gas end use; and supply chain sustainability

  • Ruiter, Pamela
    Director, Global Agricultural Methane

    Areas of expertise: Agricultural methane, program development, community engagement, smallholder producers, food systems

  • Russell , Liz
    State Director, Louisiana

    Areas of expertise: Louisiana climate policy, industrial decarbonization, environmental justice, adaptation, land use planning and electoral action

  • Rutecki, John
    Regulatory and Legislative Manager, Appalachia

    Areas of expertise: State and federal energy policy, climate policy

  • Ryder-Rude, Meredith
    Associate Vice President, Global Engagement and Partnerships

    Areas of expertise: International development, global climate policy, climate adaptation and mitigation, sustainable finance, climate resilient development, multilateral climate negotiations, and private sector engagement, complex global challenges

  • Sánchez, Sergio
    Senior Policy Director, Global Clean Air

    Areas of expertise: Climate and clean air policy, international development, integrated environmental management systems, comprehensive air quality management, sustainable transport, United Nations

  • Sarang, Surbhi
    Senior Attorney, Clean Power

    Areas of expertise: Power sector regulation, Clean Air Act, climate and air quality policy and environmental justice

  • Saunders, Nichole
    Senior Director and Senior Attorney, Energy Transition

    Areas of expertise: carbon management; hydrogen; industrial hubs; oil and gas policy; produced water

  • Schiller, Anna
    Program Manager, Climate Resilient Water Systems

    Areas of expertise: Conservation biology, spatial analysis, groundwater management, land use planning

  • Schneer, Katie
    Senior Analyst, U.S. Climate

    Areas of expertise: U.S. climate policy, carbon markets, legislative and regulatory strategy, data analysis

  • Schwartzman, Steve
    Associate Vice President, Tropical Forests

    Areas of expertise: Climate change, tropical forest policy, Reducing Emissions from Deforestation and forest Degradation (REDD), Brazil and the Amazon, Indigenous Peoples, incentives for environmental protection

  • Scott, Will
    Southeast Climate & Clean Energy Director

    Areas of expertise: clean energy and transportation electrification

  • Seong, Joon
    Energy Decarbonization Analyst

    Areas of expertise: Energy policy, Utility policy, Decarbonization

  • Seymour, Scott
    Scientist, Canada Methane

    Areas of expertise: Oil and gas methane emissions, flaring, aerial and ground-based measurement, emissions inventory and policy analysis, laser-based gas detection.

  • Shenette, Ellen
    Director, Net Zero Action Accelerator

    Areas of expertise: Corporate partnerships, Net Zero, energy efficiency, renewable energy, sustainability strategy

  • Shigetomi, Lindsay
    Senior Manager, Fleet Engagement

    Areas of expertise: Fleet electrification, financial modeling, clean transportation policy

  • Shirakawa, Hiro
    Japan Region Chief

    Areas of expertise: Economic analysis, investor relations, international coordination

  • Shirreffs , Dawn
    Florida Director

    Areas of expertise: Political affairs, partnerships, non-profit management, resilience

  • Shuman, Jacquelyn
    Senior Wildfire Scientist

    Areas of expertise: Vegetation modeling, carbon cycle science, ecosystem function, and the impacts of disturbances on ecosystems and society, specifically fire behavior and effects.

  • Slaney, Joanna
    Vice President for Political and Government Affairs

    Areas of expertise: Federal government, climate, clean air, public health and chemicals policy