Dr. Keiser received his D.D.S. from Indiana University in 1981. After 12 years of maintaining a general dental practice in New England, he completed his endodontic residency at the University of Michigan School of Dentistry in 1995, and earned a Master of Science degree from the Horace Rackham School of Graduate Studies in 1996. Prior to joining the faculty at UTHSCSA, Dr. Keiser was the director of undergraduate endodontics at the University of Tennessee College of Dentistry. He is a recipient of the Edward M. Osetek Educator Award from the AAE, and the Charles Craig Teaching Award from the Omicron Kappa Upsilon Honor Dental Society. Dr. Keiser has been a Diplomate of the ABE since 2001 and maintains a private practice limited to endodontics in New Braunfels, Texas.