GMAC Real Estate announced that Doug Ayers has been named to the newly created executive VP of the Central Region position for its Company-Owned Real Estate (CORE) offices. Ayers will also serve as president of Koenig & Strey GMAC Real Estate. In his role he will oversee the near-term growth of Koenig & Strey GMAC and manage the overall longer-term growth for GMAC Company-Owned operations in the Central United States.