Our policy experts


  • Jones, Leslie Vice President for Working Lands

    Areas of expertise: Working lands stewardship, natural resource management and federal policy, ecosystem services, climate adaptation, agriculture, food security, forest and wildlife conservation

    Office: Washington, D.C.

  • Jones, Robert E. Director, Gulf of Mexico, Oceans Program

    Areas of expertise: Gulf of Mexico Fishery Management Council, recreational management, government affairs

    Office: Austin, Texas

  • Kaiser, Dan Senior Manager, California Habitat Markets

    Areas of expertise: Environmental markets, agriculture sustainability, water quality, non-point source pollution

    Office: San Francisco

  • Kalesi, Poppy Director, Global Energy

    Areas of expertise: Energy & Climate policy; energy industry; energy markets; innovation strategy and management; R&D and technology development; ocean industries

    Office: Remote

  • Karas, Natalie Lead Counsel, Energy Markets & Utility Regulation

    Areas of expertise: Natural gas and electricity market design, natural gas policy, utility regulation

    Office: Washington, D.C.

  • Kelly, David Senior 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 Senior Vice President, 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:

    Office: Boulder, Colorado

  • Koller, Steve Economics and Policy Analyst

    Areas of expertise: Agricultural economics, climate policy, coastal economics, environmental markets

    Office: New York City

  • Kritee, 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

  • Kroopf, Sara Manager, Supply Chain

    Areas of expertise: Agricultural economics, environmental markets, sustainable agricultural systems, corporate social responsibility, scope 3 emissions, agricultural emissions accounting, agricultural carbon markets

    Office: Remote

  • Kuzdas, Christopher Project Manager, Water Program

    Areas of expertise: Water management and governance; public policy; decision support; social-ecological systems; risk management; rural development and planning

    Office: Remote

  • Levitan, Ben Attorney, Legal and Regulatory

    Areas of expertise: federal environmental and energy regulation, Clean Air Act, climate pollution from the power sector

    Office: Washington, D.C.

  • Leyden, Colin Senior Manager, Regulatory & Legislative Affairs

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

    Office: Austin, Texas

  • Lujan, Breanna Project Manager, Forest and Climate Policy

    Areas of expertise: Zero-deforestation supply chain commitments, REDD+, climate change, deforestation mitigation in the Amazon, land sector issues

    Office: Washington, D.C.

  • Mahoney, Melissa Manager, Pacific Fisheries Policy

    Areas of expertise: Fisheries Management/policy, human dimensions of fisheries, collaborative fisheries research, electronic monitoring, visual communications

    Office: Remote

  • Margolis, Josh Managing Director, Environmental Markets, Climate Program

    Areas of expertise: Market-based and environmental policy instruments, environmental credit trading, environmental permitting.

    Office: San Francisco

  • McCahan, Graham Senior Attorney, U.S. Climate & Air – Legal & Regulatory

    Areas of expertise: Clean Air Act, climate change, and air quality.

    Office: Boulder, Colorado

  • McCain, Christina Director, Latin America, Climate

    Areas of expertise: Climate and energy policy, carbon markets, Mexico, Brazil, tropical forests.

    Office: Sacramento, California

  • McCormick, Lindsay Program Manager, Chemicals and Health

    Areas of expertise: Environmental Health, Chemical Safety, Children’s Health

    Office: Washington, D.C.