Dr. William Kirby has published over 35 scientific papers and abstracts. He has performed original research on transcatheter closure of the patent ductus arteriosus, hemodynamic effects during balloon aortic valvuloplasty, and the use of mechanical thrombolysis in infants.

Dr. Kirby's clinical interests include all aspects of clinical pediatric cardiology.

Before retiring from the US Army, Dr. Kirby served as the Chief of Pediatric Cardiology at Walter Reed Army Medical Center and as the Director of the Pediatric Cardiology Section at the Uniformed Services University of the Health Sciences (USUHS). He is a Clinical Associate Professor of Pediatrics at Georgetown University, the University of Virginia and USUHS.

Dr. Kirby enjoys spending time with his family, traveling and bird watching. He also enjoys cheering on the Washington Nationals and attending home baseball games.