Board of Directors

  • Stewart Odell, M.D.

    PRESIDENT

    Retired OBGYN doctor from Winfield, Ill.
    Board member since 1992.

  • Jason Tinklenberg

    VICE PRESIDENT

    Financial planner from Sioux Falls, S.D.
    Board member since 2022.

  • Diane Krall, M.D.

    SECRETARY

    Family practice doctor from Groveland, Ill.
    Board member since 2022.

  • Holly Van Hofwegen, D.D.S.

    TREASURER

    Dentist from Sioux Falls, S.D.
    Board member since 2022.

  • Mark Veenstra, M.D.

    Retired orthopedic surgeon from Kalamazoo, Mich.
    Board member since 2003; also 1992-98.

  • Doug Van Hofwegen, D.D.S.

    Dentist from Spencer, Iowa.
    Board member since 1999.

  • Trevor Nydam, M.D.

    Transplant surgeon from Englewood, Colo.
    Board member since 2021.

  • Albert Okine, PA-C

    Physician assistant from Muskegon, Mich.
    Board member since 2018.

  • Martin Ozinga IV

    CEO of the Ozinga concrete company from Chicago, Ill.
    Board member since 2024

  • Heather Clouse, M.D.

    Program director for the family residence program from Sioux Falls, S.D.
    Board member since 2025

  • Jonathan Engbers, M.D.

    Emergency medicine physician from Rock Valley, Iowa.
    Board member since 2025.

  • Anne Kooiman

    Mother of four from Orange City, Iowa.
    Board member since 2025