Founder of Cross Timbers ENT, Dr. James Leffingwell is a board-certified ENT specialist with more than 20 years experience. After receiving his medical degree from the university of Cincinnati College of Medicine in Ohio, he moved to Texas to complete an internship in general surgery and a residency in otolaryngology at the University of Texas medical Brand at Galveston. Dr. Leffingwell is board-certified in otolaryngology and competed post-graduate work in endoscopic sinus surgery. His career interests include endoscopic surgery, nasal reconstruction, and problems associated with sinus problems, including snoring and sleep disorders.