Our experts

  • Shirreffs , Dawn
    Florida Director

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

  • Slaney, Joanna
    AVP, Political Affairs

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

  • Smith, Grace
    Attorney, U.S. Legal & Regulatory

    Areas of expertise: Federal environmental and energy regulation, oil and gas standards, greenhouse gas mitigation

  • Sollazzo, Flavia
    Senior Director, EU Energy Transition

    Areas of expertise: European Union legislation, energy, climate and environmental policy, sustainability

  • Sosa, Karla
    Project Manager, New Jersey State Affairs

    Areas of expertise:

  • Southerland, Veronica
    Scientist, Global Clean Air

    Areas of expertise: Air quality, environmental health, chemical policy

  • Spence-Jackson, Helen
    Executive Director, Europe

    Areas of expertise: EU policy, EU political affairs, hydrogen, energy transition (energy demand/energy efficiency), circular economy, fisheries and oceans, innovation, Eastern Europe

  • Spiliotis, Panos
    Senior Manager, EU Transport

    Areas of expertise: European Union transport and environment policy, decarbonization of international shipping

  • Stainforth, Thorfinn
    Senior Policy Analyst

    Areas of expertise: European climate policy, urban road transport and circular economy

  • Stamatiou, Natacha
    Senior Analyst, Global Shipping

    Areas of expertise:

  • Steinhilber, Emily
    Director, Climate Resilient Coasts and Watersheds, Virginia

    Areas of expertise: Coastal resilience, climate solutions, environmental law and policy, stakeholder engagement

  • Stokes, Curt
    Senior Attorney

    Areas of expertise: Utility regulation, litigation, equitable clean energy transition strategies

  • Sturcken, Elizabeth
    Managing Director

    Areas of expertise: Corporate partnerships, business and the environment, green supply chain

  • Su, Andy
    Attorney, Transportation

    Areas of expertise: Federal environmental and energy regulation, the Clean Air Act, greenhouse gas and fuel economy standards for light-duty and heavy-duty vehicles

  • Suárez, Ana
    Manager, Diversity, Equity & Inclusion

    Areas of expertise: Global Inclusion and DEI, capacity building, education for sustainability, communications and community outreach

  • Sullivan, Magdalen
    Attorney, Energy Markets & Utility Regulation

    Areas of expertise: Natural gas policy, utility regulation

  • Sun, Fang
    Senior Manager, Resilient Fisheries & Oceans

    Areas of expertise: Agriculture, carbon farming and forestry

  • Sun, Tianyi
    Senior Climate Scientist

    Areas of expertise: Climate change mitigation, climate modeling, greenhouse gas emissions and metrics, ocean-atmosphere interaction, climate science communication

  • Supriatna, Ateng
    Senior Fisheries Manager for USAID Ber-IKAN Project

    Areas of expertise: Fisheries, Aquaculture, Fisheries policy, sustainability evaluation, fishery improvement, climate smart aquaculture and fisheries, marine protected area.

  • Suttles, Kelly
    Senior Research Analyst, Climate-Smart Agriculture

    Areas of expertise: Watershed modeling, Soil & Water Assessment Tool (SWAT), Geographic Information Systems (GIS), land use change, climate change