Our energy experts

  • MacKay, Katlyn
    Scientist, Global Methane

    Areas of expertise: Methane emissions, gas measurement, inventories and field work

  • Marsh-Robinson, Marilynn
    Director, Partnerships & Outreach

    Areas of expertise: Energy efficiency, environmental justice, diverse allies and constituencies

  • Martin, Phillip
    Manager, Zero-emission Truck Initiative in Texas

    Areas of expertise: Electric vehicles and charging, Texas regulatory and legislative affairs

  • Mathers, Jason
    Associate Vice President, Zero-Emission Truck Initiative

    Areas of expertise: Freight electrification, fleet vehicles, green supply chain

  • McVay, Renee
    Scientist, U.S. Methane

    Areas of expertise: Oil and gas methane emissions, air quality

  • Mohlin, Kristina
    Senior Director & Distinguished Economist, Policy Analysis

    Areas of expertise: Climate and energy policy, environmental policy instruments, gas transportation markets, wholesale electricity market design, electricity tariff design

  • Mueller, Dan
    Senior Manager, Climate Resilient Water Systems

    Areas of expertise: Oil & gas exploration and production, hydraulic fracturing, carbon capture and sequestration

  • Murphy, Erin
    Senior Attorney, Energy Markets & Utility Regulation

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

  • Murray, Tom
    Executive Vice President, Solutions

    Areas of expertise: Forging unexpected partnerships that catalyze environmental leadership and collaboration across industries, organizations and supply chains

  • Nguyen, Huong
    Economist and Policy Manager, Global Methane

    Areas of expertise: Energy and environmental economics, transport economics and carbon markets

  • Nixon, Marissa
    Analyst, Zero-Emission Truck Initiative

    Areas of expertise: Data Analysis for sustainable decision making. Medium and heavy duty-vehicle electrification planning.

  • Nowlan, Aileen
    U.S. Policy Director, Global Clean Air Initiative

    Areas of expertise: Policy, air pollution, climate and health, zero-emissions transport, corporate leadership

  • Omara, Mark
    Senior Scientist, Global Methane

    Areas of expertise: Methane emissions, global oil and natural gas, climate change impacts

  • Orleans, Raisa
    Director, Government Relations

    Areas of expertise: U.S. Congress, U.S. climate policy, methane policy

  • Otaño Cruz, Abimarie
    Manager, Energy Transition, Puerto Rico

    Areas of expertise: Energy transition, renewable energy, coral reef conservation and restoration, community-based initiatives and community integration.

  • Pavlik Slenk, Yesh
    Director, Climate Corps®

    Areas of expertise: Climate Corps, corporate partnerships, corporate sustainability, community management, climate career mentoring

  • Peltz, Adam
    Director and Senior Attorney, Energy Transition

    Areas of expertise: Oil & gas well integrity, oil and gas regulation, carbon capture and sequestration, orphan wells

  • Piris-Cabezas, Pedro
    Senior Director, Global Transportation / Lead Senior Economist

    Areas of expertise: E.U. and global climate and energy policy, REDD+, aviation emissions, sustainable biofuels and the design of cap-and-trade programs.

  • Pottens, Ari
    Senior Campaign Manager, Canada

    Areas of expertise: Canadian climate policy and advocacy, Methane emissions from the oil and gas sector, Transition away from fossil fuels

  • Quintero, Braulio
    Director, Energy Transition, Puerto Rico

    Areas of expertise: Puerto Rico energy policy, water quality monitoring and regulation compliance, resilient food systems