Les FOLIO

Clinical Professor of Radiology, NIH and George Washington University Hospital

Lead Radiologist for Computed Tomography at the National Institutes of Health (NIH) Clinical Center in Bethesda, MD.

Retired from the Air Force as a Colonel in the summer of 2009. ssignments included Walter Reed Army Medical Center, Uniformed Services University and the Pentagon. He was also selected twice by the Air Force as an astronaut nominee.

Also trained in Occupational, Preventive and Aerospace Medicine as a flight surgeon. He has over 100 publications, presented approximately 100 abstracts nationally and internationally and has authored six books with his latest book titled "Chest Imaging, an Algorithmic Approach," published in November 2011.