John Callahan elected to Board of Trustees of the AAO
May 22, 2015 3:55 pm Leave your thoughtsDr. John D. Callahan LOUIS – (May 20, 2015) – John D. Callahan, DDS, MS has been elected by the Northeastern Society of Orthodontists (NESO) as its representative on the Board of Trustees of the American Association of Orthodontists (AAO). ...