From gearing up for the healthcare overhaul to dealing with rising numbers of uninsured patients, John Haupert will confront an array of hurdles as Grady Health System's CEO. While they are substantial, the challenges facing Grady aren't new territory for Haupert, who currently serves as executive vice president/COO of Parkland Health & Hospital System in Dallas. A team of Grady corporate board members spent months sifting through hundreds of applications following the resignation of former CEO Michael Young earlier this year.