Keith M. Warner MD, FACS serves as the President and CEO of NESAO. He is board certified in general surgery. In practice for more than fifteen (15) years, Dr. Warner has extensive experience in general surgery and vein procedures. After graduating from Fairleigh Dickinson University in Rutherford, NJ, Dr. Warner earned his medical degree at the University of Kentucky in Lexington. He completed residency in general surgery at St. Luke's Medical Center in Cleveland, and a colorectal fellowship at the University of Texas in Houston, TX. He has been in practice with NESAO since 1993.