John Bergeson, DVM — Chief of Staff
Dr. John Bergeson, our Chief of Staff, is a Northwest Indiana native. In 1996, he received a bachelor's degree in Biology from Purdue University in West Lafayette, Indiana. He continued on at Purdue for another four years, receiving a DVM degree in 2001. In veterinary school, Dr. John was lucky enough to meet his wife, who is a Burlington native and is also a veterinarian.
After finishing veterinary school in 2001, Dr. John moved to the Burlington area and worked at a local equine practice for six and a half years, before switching back to small animal medicine in 2007. He worked at a small animal practice south of Burlington for four years before making the transition to Tanneberger Veterinary Hospital.
Dr. John currently lives in Charlotte with his wife and two kids, his dog Ivy, and his cat, Tonks. He enjoys downhill skiing in the wintertime and outdoor activities in the summertime. Dr. John is an active sports fan and enjoys watching sporting events, mostly soccer and football, and occasionally baseball.
Richard Messer, DVM
Dr. Richard Messer works primarily on Saturdays. He has been with Tanneberger Veterinary Hospital since its early days, working part-time and doing relief work. Outside of the practice, Dr. Messer enjoys his farm life and family time – which both keep him very active!
Katie Arntzen, DVM
Dr. Katie Arntzen grew up in Maynard, a small town in Massachusetts and currently resides in North Hero, Vermont. She had a variety of pets growing up and knew from a very early age that she wanted to become a veterinarian. Dr. Arntzen received a bachelor's degree in Biology from Union College in Schenectady, NY in 2008. She then went on to attend veterinary school at Tufts University. During her time there, she worked at their wildlife clinic, helping to care for sick and injured wildlife. She also spent time in South Africa working with a wildlife veterinarian caring for elephants, lions, and rhinos.