David is Professor of Surgery, University of Pennsylvania School of Veterinary Medicine and a Diplomate, American College of Veterinary Surgeons.

He graduated from University of Sydney, Sydney, Australia, 1983, before undertaking an internship University of Pennsylvania School of Veterinary Medicine Philadelphia, PA 19104 from 1985 to 1986, followed by a residency also at University of Pennsylvania School of Veterinary Medicine from 1987 to 1990 in small animal surgery.

David is a Clinical Specialist in Soft-Tissue Surgery and his interests in research include Imaging cancer during surgery, Portosystemic shunts, Brachycephalic airway disease, Laryngeal paralysis and has published in excess of 100 papers and book chapters.