Our Team

SAHF's staff is made up of passionate individuals who are committed to the development and preservation of affordable rental homes. With expertise in diverse areas of focus, our team understands the importance of vibrant and sustainable communities that foster innovation and offer access to opportunity. Learn more about our exceptional employees by clicking on the any of the individual bios below. 


  • Andrea R. Ponsor

    President & CEO

    aponsor [at] sahfnet.org

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  • William C. Kelly, Jr.

    Strategic Adviser

    bkelly [at] sahfnet.org

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  • Rebecca Schaaf

    Senior Vice President, Energy

    rschaaf [at] sahfnet.org

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  • Nicole Manchester

    Data and Analytics Manager

    nmanchester [at] sahfnet.org

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  • Alexandra Nassau-Brownstone

    Director, Resident Outcomes & CORES

    Anassaubrownstone [at] sahfnet.org

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  • Tawechote Wongbuphanimitr

    Energy Associate

    tawechote [at] sahfnet.org

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  • Kate Paulachak

    Office and Program Administrator

    kpaulachak [at] sahfnet.org

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  • Justin Edwards

    Policy and Program Associate

    jedwards [at] sahfnet.org

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  • Sara Autori

    Health & Housing Associate

    sautori [at] sahfnet.org

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  • Sandra Serna

    Vice President, Health and Housing

    sserna [at] sahfnet.org

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Board of Directors