Our policy experts


  • Wolfe, David Director, Conservation Strategies

    Areas of expertise: conservation biology, conservation of at-risk species, working effectively with private landowners, Safe Harbor, Farm Bill

    Office: Austin, Texas

  • Worthington, Baroness Bryony Executive Director, Europe

    Areas of expertise: Climate policy, carbon budgets, emissions trading and carbon markets, energy policy, fisheries management, clean energy technologies, European policy making and politics.

    Office: Europe

  • Yawanarajah, Ph.D, Shareen International Policy Manager, Energy Program

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

    Office: Austin, Texas

  • Zakaria, Rama Senior Manager, Regulatory Policy & Analysis

    Areas of expertise: Federal energy and environmental regulation, wholesale power markets, carbon pollution from the power sector

    Office: Washington, D.C.

  • Zalzal, Peter Special Projects Director and Lead Attorney

    Areas of expertise:

    Office: Boulder, Colorado

  • Zayas del Rio, Gabriela B. Research Analyst, Office of Chief Scientist

    Areas of expertise: Air quality, clean energy, emerging science, environmental justice

    Office: San Francisco

  • Zerrenner, Kate Senior Manager, Energy-Water Initiatives

    Areas of expertise: Energy efficiency, climate change, energy-water nexus

    Office: Austin, Texas

  • Zhang, Jianyu Vice President, China

    Areas of expertise: China, emissions trading, green supply chain, environmental enforcement, China environmental and climate policy, China power sector

    Office: Beijing, China