Our policy experts


  • Patton, Vickie General Counsel

    Areas of expertise: Climate change, global warming, air quality

    Office: Boulder, Colorado

  • Pearen, Holly Senior Attorney

    Areas of expertise: Energy and wildlife law, Endangered Species Act, mitigation policy, infrastructure and energy development

    Office: Boulder, Colorado

  • Peress, N. Jonathan Senior Director, Energy Market Policy

    Areas of expertise: Natural gas and electricity market design, air pollution law and policy

    Office: Boston

  • Petsonk, Annie International Counsel

    Areas of expertise: Aviation, climate change, international climate policy, U.N. climate negotiations, U.S. climate policy

    Office: Washington, D.C.

  • Peyronnin Snider, Natalie Director of Science Policy, Mississippi River Delta Restoration

    Areas of expertise: Ecosystems, large-scale restoration and protection planning, science communication, natural resources management and policy, science-based decision making, ecosystem services, natural infrastructure, rivers and deltas

    Office: Washington, D.C.

  • Poon, Sarah Director, Design & Capacity Development

    Areas of expertise: Fisheries management, training and capacity development

    Office: San Francisco

  • Powers, Jamie Project Manager, Sustainable Sourcing Initiative

    Areas of expertise: Agricultural retail sector, agricultural supply chains, social network analysis (SNA), sustainable agriculture

    Office: Washington, D.C.

  • Pratt, Jack Senior Political Director, Political Affairs

    Areas of expertise:

    Office: Washington, D.C.

  • Areas of expertise: Law and environmental markets, specifically the Electric Reliability Council of Texas (ERCOT).

    Office: Austin, Texas

  • Rauch, Marc Senior Specialist, New York Clean Energy Real Estate

    Areas of expertise: Energy policy, clean energy, real estate law and development, facilities management

    Office: New York City

  • Rife, Alexis Senior Manager, Engagement and Design

    Areas of expertise: Fisheries management, rights-based management, fisheries policy and governance, marine protected areas, small-scale fisheries

    Office: Remote

  • Roberts, Martha Senior Attorney, U.S. Climate Legal and Regulatory Program

    Areas of expertise: Federal environmental and energy regulation, the Clean Air Act, greenhouse gas emissions from the power sector.

    Office: Washington, D.C.

  • Rodriguez, Laura F. Senior Director, Mexico Oceans Program

    Areas of expertise: Oceans Programs, Latin America & the Caribbean, Restoring Mexico's Gulf of California, catch shares

    Office: La Paz, Mexico

  • Roedner Sutter, Katelyn Senior Analyst, Climate Policy

    Areas of expertise: California climate policy, environmental justice, cap and trade, air quality, land use & transportation policy.

    Office: Sacramento, California

  • Rojas, Victor A. Senior Manager, Financial Policy

    Areas of expertise: Energy finance and policy, energy efficiency

    Office: New York City

  • Ruiter, Pamela Senior Manager, Iberian Peninsula

    Areas of expertise: Oceans program, Seafood markets, catch shares, renewing fisheries, EU Fisheries policy, TURF Reserves

    Office: Europe

  • Rupp, Mark Director, Wildlife Campaign

    Areas of expertise: Environmental law and policy, species conservation, political strategy, stakeholder engagement, state and federal government

    Office: Washington, D.C.

  • Ryan, Sarah Project Manager, Clean Energy

    Areas of expertise: Grid modernization, technology & innovation, community solar, low & moderate income clean energy solutions

    Office: Austin, Texas

  • Areas of expertise: Natural gas law and policy, water

    Office: Austin, Texas

  • Schwartzman, Steve Senior Director, Tropical Forest Policy

    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

    Office: Washington, D.C.