Our climate experts


  • Goldstein, Jon Senior Policy Manager

    Areas of expertise: State oil and gas policy, federal lands, air and water policy

    Office: Boulder, Colorado

  • Grossman, Dan National Director of State Programs, Oil & Gas

    Areas of expertise: Oil and gas emissions, flaring, air quality policies and regulations

    Office: Boulder, Colorado

  • Hamburg, Steven Chief Scientist

    Areas of expertise: Systems ecology, Biogeochemistry, Climate change impacts, Forest ecology, Soils, C cycle

    Office: Boston

  • Hanafi, Alex Senior Manager, Multilateral Climate Strategy and Senior Attorney

    Areas of expertise: Climate change, international climate policy, UN climate negotiations, EU Emissions Trading System (ETS), legal issues in international climate negotiations, governance of geoengineering research

    Office: Washington, D.C.

  • Hennelly, Lucía Oliva Campaign Manager, New Climate Partnerships

    Areas of expertise: Climate change, federal climate policy, Latino engagement, partnerships, climate justice.

    Office: San Francisco

  • Henry, Chaprece Program Coordinator, EDF Climate Corps

    Areas of expertise: Climate change, EDF Climate Corps, Energy efficiency

    Office: Austin, Texas

  • Holstein, Elgie Senior Director for Strategic Planning

    Areas of expertise: Climate change, Land, Water & Wildlife programs, rivers and deltas, energy policy

    Office: Washington, D.C.

  • Hull, Hillary Research Analyst

    Areas of expertise: Natural gas policy, air quality & climate change, energy data & economics

    Office: San Francisco

  • Kelly, David Manager, North Carolina Political Affairs

    Areas of expertise: Clean energy, energy efficiency, environmental markets, agricultural sustainability, shale gas development and production, and public policy

    Office: Raleigh, North Carolina

  • Keohane, Nathaniel Vice President, Global Climate

    Areas of expertise: Carbon markets, economics, climate change, U.S. and global climate and energy policy

    Office: New York City

  • Kiely, Pam Sr. Director of Regulatory Strategy
  • Areas of expertise: California climate law and policy, clean energy

    Office: San Francisco

  • Kritee Senior Scientist

    Areas of expertise: Climate smart agriculture, Soil carbon, Soil Health, Rice, Methane and nitrous oxide emissions, Nitrogen & Water use efficiency, Environmental microbiology, Stable isotope biogeochemistry, and Mercury pollution

    Office: Boulder, Colorado

  • Leyden, Colin Senior Manager, State Regulatory & Legislative Affairs – Natural Gas

    Areas of expertise: Oil and gas, energy policy, ground-level ozone and air quality

    Office: Austin, Texas

  • Lubowski, Ruben Chief Natural Resource Economist

    Areas of expertise: climate economics, environmental markets, REDD+, land use, agriculture, forestry, climate change, bioenergy

    Office: Washington, D.C.

  • Lugovoy, Oleg Senior Economic Analyst

    Areas of expertise: Climate economics, environmental markets

    Office: Washington, D.C.

  • Areas of expertise: Oil and gas, methane science, emissions inventories

    Office: Austin, Texas

  • MacLeod, Mark Director of Special Projects, Climate & Air

    Areas of expertise: Climate change, U.S. climate policy, U.S. Congress, EPA, air quality

    Office: Washington, D.C.

  • Madrid, Jorge Coordinator, Partnerships and Alliances

    Areas of expertise: Climate change and community resiliency, clean economy, green jobs, Latino engagement

    Office: San Francisco

  • Marchyshyn, Alex Marketing and Communications Coordinator

    Areas of expertise: Sustainable business strategy, corporate partnerships, influencer engagement, social media management, EDF Climate Corps, CSR signature program development, media relations, strategic marketing and communications

    Office: New York City