James R. Leininger, M.D. is founder and Chairman Emeritus of Kinetic Concepts, an international corporation that makes medical mobility devices. Inc. Dr. Leininger served as President and Chief Executive Officer from January 1990 to November 1994. He founded a radiology imaging company, National Imaging Associates, which was sold to Health South, Inc. He has been called a billionaire by many sources and is also a supporter of the religious right.