Health Discovery Corporation announced that on December 18, 2012, the board of directors appointed Dr. John Norris as its new CEO. He succeeds Dr. Stephen Barnhill, who founded of the company, served as Chairman and CEO for 9 years. Dr. Norris, 65, until his appointment as CEO, was Executive Vice President, Chief Technology Officer, and Chief Regulatory Officer of the company and had served in that capacity for the past three years.