Large Animal Veterinarians
Thomas B. Massie, Jr.,DVM
Large Animal Veterinarian
Monica L. O’Brien, DVM
Large Animal Veterinarian
Dr. O’Brien received her BS in Animal and Poultry Science with the Livestock Production/Business Emphasis degree in 2000 from Virginia Tech and her DVM from VMRCVM in 2004. She is the past-president of the Virginia Academy of Food Animal Practioners. Dr. O’Brien enjoys horseback riding, hiking, playing with her border collie, Meg, and spending time with her family on their dairy farm.
Kiel J. Hausler, DVM
Large Animal Veterinarian
Dr. Hausler attended the University of Wisconsin River Falls before being accepted into the University of Minnesota where he completed his DVM in 2013. Originally from Wisconsin, Kiel was born in Lancaster and raised in Stevens Point on a beef and bison farm where he also grew up showing Simmental cattle. He recently made the move to the gentler climate of Virginia with his wife, Alex, and their cat named Granite. Kiel loves to explore the great outdoors and enjoys running and hiking. He is also passionate about working with the local 4-H program and kids interested in raising and showing livestock.
Nathaniel C. Burke, M.S., DVM
Large Animal Veterinarian
Dr. Burke is a native of Page County Virginia, where he grew up on the family farm raising swine and beef cattle. After graduating from Page County High School, he became a life-long Hokie, earning his B.S., M.S., and DVM from Virginia Tech in 2011. As a veterinarian, Nathaniel has worked as an ambulatory large animal clinician in PA, a mixed animal veterinarian in the Shenandoah Valley and as a field veterinarian for the VA Department of Agriculture. he is married to Dr. Sarah Krall (VMRCVM ’10), who he met in veterinary school, and has a son, Grayson and a daughter, Anna Mae. Nathaniel enjoys good music, travel, and cuisine, especially when combined with family and friends. He is a devoted fan of Virginia Tech athletics and has enjoyed seeing his young son bloom into a football fanatic, even in a down year. He also relishes the chance to spend time fishing and can be found casting a line somewhere on The Shenandoah River or along The Outer Banks whenever time permits.