Tim C. Lessing has been appointed CFO at St. Tammany Parish Hospital. Previously, he was the CFO at Community Health System Dukes Memorial Hospital in Peru, IN. He was also the CFO at the Columbus Community Hospital in Columbus, WI, and worked in various finance and accounting positions for the Parkview Health System in Indiana. Lessing also served in the US Air Force-Air National Guard as a medical executive officer where he assisted in the post-Hurricane Katrina rebuilding of a New Orleans clinic.