Issue Experts

  • Naomi Ages

    Expert

    Naomi Ages is the Climate Liability Project Lead at Greenpeace USA. She focuses on establishing legal, political, and financial accountability for climate change, and achieving justice for climate-impacted and vulnerable communities.

  • Ivy Schlegel

    Expert

    Ivy Schlegel is a research specialist with the Greenpeace USA forests team, focusing on Indonesian palm oil and the markets for forest commodities. Ivy has worked with Greenpeace USA since 2009.

  • Kate Melges

    Expert

    Kate Melges is an oceans campaigner based in Seattle. She leads Greenpeace’s Ocean Plastics work. Kate’s focus is ending the flow of plastic pollution into the ocean.

  • Tim Donaghy

    Expert

    Tim Donaghy is a Senior Research Specialist with Greenpeace USA. He writes frequently about climate change, energy production, and the Arctic.

  • Mary Sweeters

    Expert

    Mary Sweeters is a Climate and Energy Campaigner with Greenpeace USA. She works to fight the undue influence of the oil industry in solidarity with communities affected by oil extraction, pollution, and climate change, and to advocate for a just transition to a clean energy economy. She is from Sonoma, California.

  • Diana Best

    Expert

    Diana Best is a senior climate and energy campaigner at Greenpeace USA, based in Denver, Colorado. She began working with Greenpeace in 2008 on federal climate legislation and has since worked on reforming federal fossil fuel leasing programs and fighting new infrastructure projects around the United States. She is currently leading Greenpeace’s “Hold the Line” work aimed at halting the political and social influence of the oil industry during Trump’s administration.

  • Rolf Skar

    Expert

    Rolf Skar is the forest campaign director at Greenpeace USA. Since 2007, Rolf has contributed to international Greenpeace campaigns to stop deforestation in the Canadian boreal forest, the Paradise forests of Southeast Asia, and the Brazilian Amazon.

  • Mark Floegel

    Expert

    Mark Floegel is the research director with Greenpeace USA. He has been working on public advocacy issues since 1987. Particular areas of issue expertise include: the effects of chlorinated chemicals on human health and the environment pertaining to pulp and paper mills; toxic waste incinerators; sustainable fisheries and forestry; renewable energy; acid rain, and sustainable agriculture.

  • Kelly Mitchell

    Expert

    Kelly Mitchell is the Energy Campaign Director for Greenpeace, based in Chicago. Since 2006, she has worked with activists and organizations across the country to confront corporate polluters and transform U.S. energy policy. She currently leads Greenpeace's campaign for an economy powered by 100 percent renewable energy, pushing some of the largest companies in the world to embrace wind and solar and working alongside communities to develop a just and democratic energy system.

  • John Hocevar

    Expert

    An accomplished campaigner, explorer, and marine biologist, John has helped win several major victories for marine conservation since becoming the director of Greenpeace's oceans campaign in 2004.