Dr. Littlefield recently retired from the U.S. Army after 20 years as a military physician, and he now resides in San Diego, CA. He has an engineering background and is also fellowship trained in Neurotology (Northwestern University). He added endoscopes to his practice in 2012. He recently was the Otolaryngology Residency Program Director at Tripler Army Medical Center in Honolulu, HI, and has always been passionate about teaching. His primary interests are chronic ear disease and blast-associated ear trauma.