Dr. Trent Callahan
Dr. Trent Callahan graduated from University of Missouri in May of 1998 with a Doctorate in Veterinary Medicine . After graduating from Ballard High School, Dr. Callahan attended and completed College of the Ozarks’ pre-Veterinary program. Dr. Callahan practiced veterinary medicine for 11 years in Butler prior to starting his own clinic. In 2008, Trent and Melissa Callahan bought and remodeled the old Massey Ferguson building in Butler, Missouri, opening The BCVC. When not working at the clinic or on call, Trent spends his spare time farming west of Montrose, Missouri where he and Missy live with their two children, Sudie and Cade, and a wide array of animals.
Dr. Joely Roe-Johnson
Dr. Joely Roe Johnson, joined us in July of 2023 post graduation. She graduated from Purdue University with a Doctorate of Veterinary Medicine. She has a childhood background of working on the family ranch, which sparked her interest in becoming a veterinarian. Dr. Joely, Trent Johnson (husband), and Waylon Johnson (son) live in southeast Kansas on the family ranch. Rural medicine has always been a passion of hers and continues to be since graduating.
Dr. Megan Westerhold
Dr. Megan Westerhold graduated from Kansas State University in 2021 with a Doctorate in Veterinary Medicine. She grew up helping on the family farm and cattle operation in Northwest Vernon County. After obtaining bachelor’s and master’s degrees from the University of Missouri, she worked as an Extension Agent in Kansas for a few years before returning to vet school. Prior to moving back to this area, she worked as a veterinarian in Southeast Kansas for 4 years.
Dr. Levi Cade
Dr. Levi Cade graduated from The Ohio State University with his bachelor’s degree in Animal Sciences in 2021 and graduated with his Doctorate of Veterinary Medicine in May of 2025. Dr. Levi grew up in a small town in the Appalachian foothills in southeastern Ohio where his family raised beef cattle, sheep and a mix of other farm animals. Dr. Levi has a passion for both large and small animal medicine that was inspired by his mom’s love of nursing and his dad’s love of farming.
Jo
Jo has been with the clinic since the opening. She and her husband, Dale, own a cattle farm and a drywall business. She has worked with cattle all her life and is always willing to take on any job she is handed. They have two grown children, Jamie and Darren along with two grandchildren, Avery Jo and Grayson Dale.
Karol
Karol joined us in January of 2013. Karol is married to Dallas and they have two sons, Carey and Dalton. They reside on a farm outside of Butler. Karol is quick to take on new challenges and learn new experiences. She enjoys being outdoors and being with family and friends.
Missy
Melissa graduated from College of the Ozarks with a Bachelor’s degree in Agribusiness and computer science. She previously worked for eighteen years in the banking industry. This has proved beneficial for Missy as she works with the financial, inventory, and record-keeping of the clinic. She enjoys athletics, landscaping, and her two children.
Ray
Ray joined our team in June of 2018. Ray is a 2018 graduate of Ballard R2 High School. In her free time she enjoys spending time with family, and her cats, Ganow and Deanie, and her lizard named Lunchbox.
Nancy
Nancy and her husband Eddie have two grown sons. When Nancy is not at the clinic, she is helping her husband with his cattle, their hauling business, and spending time with her family. Nancy brings to the clinic over ten years experience in the pharmaceutical industry.
Sage
Sage joined our team in June of 2014. Sage is a 2013 graduate of Butler High School. Sage is married to Jesse and they have one son, Dixon. Sage has worked on the farm for most of her life. In her free time she enjoys spending time with her husband, son, family, friends and owns a variety of animals that she loves taking care of.
Steve
Steve joined our team in June of 2021. He attended the University of Missouri-Columbia and moved to Butler in the spring of 2011 while working for a different company. His father is a retired veterinarian from Chillicothe Missouri, so he grew up in a clinic setting and with his previous management and supervisory experience has come to our clinic as the Business Office Manager. Steve has three grown boys and enjoys spending time with his family, partner, dogs, and working on landscaping.
Michelle
Michelle joined BCVC in June of 2025 as our second location BCVC Office Manager. She brings nine years of experience in elementary education to her new role with the BCVC team. Michelle was raised and resides in rural Vernon County, where she enjoys spending her free time with her family and friends, working on the family farm, and taking care of their livestock.
Haley
Haley joined us in April 2022 and is a 2021 graduate of Adrian R3 High School. She has grown up on a farm and worked with a variety of animals her entire life. When she is not at the clinic she enjoys spending time with family and friends, hunting, fishing, showing livestock, and training horses.
Kaitlyn
Kaitlyn joined our team in June of 2023. She graduated from Pittsburg State University in 2023 with a degree in Biology with an emphasis in Pre-Veterinary. She has grown up on a farm and worked with a wide arrange of animals. When she is not working, she enjoys spending time with family and friends, shooting guns, antiquing, or caring for animals on the family farm.
Makinzi
Makinzi graduated from Northwest Missouri State University in 2025 with a Bachelor’s degree in Animal Science Pre-Vet with the passion to pursue veterinary school emphasizing on large animals in the future. Makinzi grew up on the family farm and continues to help out around the farm caring for animals when not working. Makinzi likes to spend time with family and friends, fishing and reading.
Thosha
Thosha joined our BCVC team in June 2025. She loves spending time with her husband, children and grandchildren. She enjoys being outside, trail riding, barrel racing and making horse hair jewelry. Thosha is excited to be a part of the BCVC team, and meet you all when you visit our clinic.
Nash
Nash joined our team in August of 2023 and is a 2023 graduate of Adrian Highschool. He has two dogs, Arlo and Henry, along with his cat, Frank. In his free time, he enjoys spending time with his family, friends, and partner.