Our clean air experts

  • 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

  • Trask, Beth
    Vice President, Global Energy Transition

    Areas of expertise: Methane and air quality; emission sensors and detection technologies; data mapping

  • Vogel, Sarah
    Senior Vice President, Healthy Communities

    Areas of expertise: Environmental health, chemical safety, endocrine disruptors

  • Winn, Rosalie
    Director and Lead Counsel, Methane and Clean Air Policy

    Areas of expertise: Federal environmental and energy regulation, the Clean Air Act, emissions standards for the oil and gas sector

  • Zhang, Mengyun
    Program Manager

    Areas of expertise: Technology innovation, pilot project, community engagement, conservation and air quality