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    Experts & Staff


    WRI’s experts are leaders in their fields. Their work spans topics such as food and land use, energy, cities, climate, economics, finance, governance and more.

    Our more than 2,000+ staff work on the ground in more than a dozen focus countries and with partners in over 50 nations. Contact our media team to arrange an interview with any of our experts.

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    6 Featured Experts
    Cities Acehnese Indonesian Russian

    Program Experts & Staff

    Ayça Bağcı

    Senior Manager, European Union Projects, WRI Türkiye

    Acya Bagci.

    Jonah Busch

    Senior Environmental Economist, Cities4Forests, Natural Infrastructure

    Jonah Busch

    Irina Didenko

    Grants and Finance Specialist II, Cities4Forests

    Irina Didenko.

    Alfi Muhamad

    Research and Administrative Assistant, Electric School Bus Initiative, WRI Ross Center for Sustainable Cities

    Alfi Muhamad.

    Retno Wihanesta

    Research Analyst/Urban Transport Planner, WRI Indonesia

    Arief Wijaya

    Managing Director, WRI Indonesia

    Arief Wijaya.