Alliance Imaging top exec resigns

Jamie E. Hopping, president and COO of Alliance Imaging, will resign effective June 30. Hopping, who joined Alliance Imaging in November 2000, will become COO of Nashville-based Ardent Healthcare, a provider of healthcare services. He will also serve on Ardent's board of directors. Alliance, a provider of outsourced diagnostic imaging services, has begun the search process for a new COO. In the interim, the company's executive vice presidents for the eastern and western U.S. will report to Richard N. Zehner, Alliance chair and CEO.