Randall Spare, DVM
Randall Spare is President of AVC. Randall is a graduate of K-State’s School of Veterinary Medicine. He focuses on bovine care, especially cow-calf production. He enjoys being a part of live cattle exportation and providing consultation for a large integrated beef cattle operation in southwest Russia. Through dedication and teamwork, AVC has become the largest veterinary practice in southwest Kansas. Randall and his wife, Michelle, are parents to five children: Anna, Bethany, Mark, Abigail and John.
John Kellenberger, DVM
John Kellenberger has been with AVC since 1996 and a partner since 2003. He received both his B.S. in Animal Science & Industry and DVM degrees from Kansas State University. John’s family includes his wife, Angie, daughter Calley, and sons Call and Cord. Family pets include nine dogs, five cats and five horses. John enjoys hunting, fishing, golf, dog training, and most of all, spending time with his wife and kids.
Kelly Deewall, DVM
Kelly Deewall has been offering her services at AVC since 2002. Kelly is a graduate of Oklahoma State University where she earned both her B.S. in Animal Science and DVM degrees. She tends to both large and small animal patients. She designs diagnostic and treatment plans for small animals, performs elective and emergency surgeries, and fields clients’ questions. Kelly focuses on small animal orthopedic cases, pain management and rehabilitation. Kelly and her husband, Nathan, are owners of three dogs and two cats. In her spare time, she enjoys dog rescue, gardening and helping family with cattle work.
Tonia Traas, DVM
Tonia Traas joined AVC in June 2016. A native of Waunakee, Wisconsin, she earned her B.S. in Animal Science from the University of Wisconsin-Madison and DVM degree from Kansas State University. Tonia treats both large and small animal patients at AVC. She has a diverse resume including care of small animal, beef cattle, and dairy as well as equine. Tonia has gained valuable clinical experience through externships, internships and mentorships in progressive practices in Wisconsin, Kansas and Tennessee. Her hobbies include fishing, quail hunting, kayaking, running, spending time with her Vizsla mix dog, Buck, and brushing up on her cooking skills.
Jonathan Moss, DVM
Jonathan Moss joined the AVC team in June 2017. He earned his B.S. in Zoology, with a minor in Animal Science, and his DVM degree all from Oklahoma State University. He completed three years of feedlot research while an undergrad and gained clinical experience through internships in Colorado and Idaho while in vet school. Jonathan treats small and large animal patients at AVC. He enjoys church, traveling (especially the mountains) and exercising. He's an OSU Cowboy football and wrestling fan, and follows the OKC Thunder and Pittsburgh Steelers teams. He's greeted at home by his wife, Alyssa, and two cats, Pistol and Pete.
Debby Fox, Office Manager
Debby Fox has been employed with AVC since 1997. She attended Fort Hays State University. Debby is the owner of a Yellow Labrador, named Oakley and a Rat Terrier, Sis. She enjoys playing the piano and spending time with her family. Debby and her husband, Bill, have three kids, Benjamin, Giles and Lezah.
Charmin O'Brien, Vet Technician
Charmin O'Brien has been part of the AVC team since 2005. As a vet technician, she cares for the center's animals and assists all AVC team members. Charmin's hobbies include spending time with her grandson, Nathan, and granddaughter, Nayana. She as two children, Stephanie and Stacey, as well as two dogs and two cats.
Brett Westrup, Vet Technician
Brett Westrup joined the AVC team in September 2015 and is a large animal vet technician. He cares for large animal patients and assists the veterinarians with large animal projects. He is a graduate of Sterling College and has experience in large animal care. His hobbies include hunting, golfing, coaching junior high football, working on the ranch with his dad, and spending time with his kids riding horses, riding bikes and going for walks. Brett follows KU basketball, the Kansas City Chiefs and is a huge Kansas City Royals fan. He also finds time to officiate high school football games. He and his wife, Jaymi, are parents to three girls, Bretlynn, Brystol and Bryton.
Jessica Ediger, Vet Technician
Jessica Ediger is a vet technician and joined the AVC team in June 2017. She cares for small animals and assists the veterinarians on a variety of projects. She earned her B.S. in Sports Management from John Brown University (Siloam Springs, Arkansas) and has ranch work experience. Pastimes include riding horses, cooking, swimming, basketball and football (Go Arkansas Razorbacks!). Her and her husband, Brock, are caretakers of rottweilers Olga and Turbo, and horses Tara and JJ.
Rhiannon Hazen, Receptionist
Rhiannon Hazen is the first face AVC clients see upon entering the center. She's been assisting AVC clients since 2011 while serving as receptionist. Rhiannon earned a Bachelors of Accountancy from the University of Oklahoma. She and husband Bryce enjoy spending time with their daughter, Camdyn, and attending University of Oklahoma football games. Family pets include a Labrador named Rowdy, Mini Australian Shepherds Duke and Clyde, two cats and three horses.