Our science experts

  • Sun, Tianyi
    Climate Scientist

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

  • Tee Lewis, P. Grace
    Senior Health Scientist

    Areas of expertise: Air Quality, Epidemiology, Environmental Health, Community Engagement, Ports, Mapping

  • Thompson, Tammy
    Senior Air Quality Scientist

    Areas of expertise: Atmospheric chemistry and physics, air quality modeling, meteorological modeling, emissions, climate/air quality interactions

  • Varner, Paige
    Scientist, Healthy Communities

    Areas of expertise: Environmental health, federal policy and regulation, cumulative impacts, chemical safety and remediation

  • Wolfe, Aaron
    Senior Economics and Policy Analyst

    Areas of expertise: Energy policy, oil and gas regulation, orphan wells and data analysis

  • Xie (Ph.D), Donglai
    Senior Scientist

    Areas of expertise: Oil and gas, methane science, hydrogen production

  • Yawanarajah (Ph.D), Shareen
    Director, Global Energy Transition

    Areas of expertise: International energy policy, international methane policy, oil and gas industry operations, research and development

  • Young, Jeffrey
    Senior Manager, Global Capacity Development

    Areas of expertise: Secure fishing rights design, small-scale fisheries, training and capacity building, human-centered design, virtual and in-person facilitation, collaborative learning networks, e-learning

  • Zavala-Araiza, Daniel
    Senior Scientist II

    Areas of expertise: Methane emissions, environmental impacts of energy systems, environmental justice