Meet Our Team

bruce_smDr. Bruce Sorensen, Practice Owner

Dr. Bruce Sorensen is originally from Sidney, Montana. He attended Montana State University and received a Bachelor of Science degree in animal science in 1974. He then attended veterinary school at Washington State University and received his Doctorate of Veterinary Medicine (DVM) in 1979. Since that time, Dr. Sorensen has been practicing in the Gallatin Valley, focusing primarily on large animal species. He has special interests in herd medicine, theriogenology (reproduction), and camelid and small ruminant medicine. Dr. Sorensen has served on the Montana State Board of Veterinary Medicine since 2004.

In his free time, he enjoys hunting, fishing, and supporting youth programs such as 4-H and FFA.


kelsey-pic-for-webDr. Kelsey Baver, Associate Veterinarian

Dr. Kelsey Baver (formerly Gabrian) is a fourth generation, native Montanan. She grew up on a cattle ranch near Red Lodge, then attended Montana State University, receiving her Bachelor of Science degree in Biotechnology/ Animal Systems in 2006. Later, she attended Washington State University in Pullman, Washington to receive her DVM in 2012. Montana called her back, and she joined the team at Sorensen Veterinary Hospital as an associate veterinarian in May 2012. Dr. Kelsey is interested in mixed animal medicine, but she especially likes beef production medicine. She also enjoys small animal internal medicine and toxicology.

When not working, Dr. Kelsey loves to be with her husband Nathan and their dogs Eli & Nellie, hiking, cross country skiing, snowshoeing, hunting, mountain biking, or horseback riding.


nick-and-kelly-pic-for-webDr. Nick Johnson

Nick began working for Sorensen Vet Hospital in September of 2013. Dr. Nick Johnson is originally from Anaconda, MT. He attended Montana State University where he earned a Bachelor of Science degree in Animal Science in 2005. After graduation, Nick enrolled in the horseshoeing school at MSU and became certified in March of 2006. He received his Doctorate of Veterinary Medicine from Oklahoma State University in 2011. While in veterinary school, Nick met his beautiful wife Dr. Kelli Johnson and they were married in 2012. Nick practiced in Oklahoma for several years in a mixed animal practice before moving back to Montana and joining Sorensen Veterinary Hospital in August 2013. He focuses on large animal medicine and surgery with special interests in bovine/equine theriogenology, beef production, routine equine health management and equine lameness.

In his free time, Nick enjoys hunting, fishing, camping, skiing, horseback riding and spending time with their two dogs, Belle and Rhyder, and Sam the cat.


kelli-pic-for-websiteDr. Kelli Johnson

Dr. Kelli Johnson was born and raised in Tyler, Texas. She attended Texas A&M University where she received her Bachelor of Science degree in Animal Science in 2008. She then moved to Stillwater, Oklahoma where she attended Oklahoma State University College of Veterinary Medicine and received her Doctor of Veterinary Medicine in 2012. While she was in vet school she met her future husband, a fellow vet student and Montana native, Nick Johnson. She practiced in Tulsa, Oklahoma before Nick finally talked her into moving North. They joined Sorensen Veterinary Hospital in August 2013. Dr. Kelli focuses on small animal medicine with interests in internal medicine and soft tissue surgery.

She and her husband have 2 dogs, Rhyder (Sheltie) and Belle (Labrador Retriever), a Siamese cat named Sam and 2 horses, Denton and Dexter. Outside of work she enjoys spending time with her pets, hiking, waterskiing, fishing, traveling, reading and painting/crafting.


Dr. Katy Malcott

Dr. Katy Malcott is originally from southeastern Virginia where she grew up riding and showing horses. She attended Virginia Tech for her Bachelor of Science in Animal Science and DVM, graduating in 2014. After veterinary school she married her husband Kelly, a Montana native, and joined him in Montana. After practicing mixed animal medicine in Havre for 2 years, they were excited for the opportunity to come back to the Gallatin valley and Dr. Katy joined the team at Sorensen Veterinary Hospital in September 2016. She enjoys beef production medicine as well as both small and large animal surgery.

When not at the office, Dr. Katy loves spending time with Kelly and their daughter, Rylee, exploring this beautiful state while floating, fishing, horseback riding, snowshoeing, or camping.


Front Office Staff

kay_smKay Klompien, Office Manager
Kay has been the office manager at Sorensen Veterinary Hospital since 2006. She has enjoyed living in the beautiful Gallatin Valley for all of her life. She received a business degree from Montana State University and has worked in many aspects of the cattle industry. Kay and her husband Dave own and operate Klompien Red Angus. In her spare time, Kay enjoys horseback riding, working cows, sewing, and spending time with her family.


loriLori Sayers, Receptionist
Lori joined Sorensen Veterinary Hospital in April of 2011 as a receptionist. She has lived most of her life in Montana and has called Three Forks her home for more than 25 years. She and her husband Scott have owned and operated Sayers Fence out of Three Forks for the last 20+ years.

One of her most passionate hobbies is training to be a certified canine handler in Search and Rescue (SAR) alongside her bloodhound Allie who is a SAR dog, specializing in man tracking. In her free time Lori can also be found scrambling to keep up with her two children and just enjoying the great outdoors of Montana.


loriAddysin Erickson, Receptionist / Veterinary Assistant



Veterinary Technicians

marciaMarcia Cantrell, Certified Veterinary Technician / Inventory Manager
Marcia is a Certified Veterinary Technician and began working for Sorensen Vet Hospital in 2002. She is originally from Minnesota, but she has lived in Livingston, Montana since 2000. She and her husband Ken own and operate Krazy Creek Ranch, where they raise, train, and show Quarter Horses and Paints in cutting and reined cow horse competitions. Marcia has over 27 years of experience as a veterinary technician. She sat for the Vet Tech National Exam in 1995 and has been a Certified Veterinary Technician (CVT/LVT) since that time. Marcia has special interests in animal behavior, anesthetic monitoring and safety, dentistry, and bull semen evaluation.


Sarah Campbell, Certified Veterinary Technician / Staff Coordinator


alexMelissa Moran, Certified Veterinary Technician


alexAlex Estes, Certified Veterinary Technician
Alex is a Certified Veterinary Technician and began working for Sorensen Vet Hospital in 2013. Alex is originally from Telluride, Colorado. She moved to Montana after high school to pursue a Bachelor’s degree in Media and Theatre Arts and English Writing. She later returned to Colorado to attend Colorado Mountain College’s Veterinary Technology program. In 2013 she found her way back to Montana and started working for Sorensen Veterinary Hospital as a mixed animal technician.

In her free time she can be found working on the ranch she care takes in Gallatin Gateway, riding horses, skiing, or exploring the mountains with her two dogs, Booger and Bob.


Lindsay Lockhart, Certified Veterinary Technician
Lindsay is a Certified Veterinary Technician and began working for Sorensen Vet Hospital in June 2016. Before moving to Montana, she completed the Veterinary Technology Program at Colorado Mountain College in May 2016. During school she became passionate about working with both large and small animals. Lindsay grew up in a small town in California and completed her Bachelor’s degree in Dairy Science at Cal Poly, San Luis Obispo. She owns a sweet and sassy border collie named Dixie and loves to hike, fly fish, ride horses, and cook bacon.


Rachel Crossley, Certified Veterinary Technician


alexLisa Batzler, Veterinary Technician


alexLindsey Nord, Veterinary Technician


Hannah Staiger, Veterinary Assistant
Hannah came to Bozeman from Los Angeles, California in 2012 to continue her education at Montana State University. She graduated with Honors from MSU in 2015 with a Bachelor’s degree in Animal Science. Hannah has been at Sorensen since September 2016 and is currently enrolled in San Juan College veterinary technician school. In her free time you can find her barrel racing and trail riding with her two horses and little dog Rustie!


Carol Ann Kiilsgaard, Kennel Manager / Veterinary Assistant
Carol Ann was born and raised in Sea Cliff, NY and got her Associate degree in general studies from Landmark College in Putney, Vermont. She came to Montana to follow her love for animals and it is here that she met her husband, Josh. She took a job in Billings at a vet clinic helping in their boarding kennel and knew that this profession was right for her! Then in 2016, she and Josh moved to the Gallatin Valley where she joined the Sorensen Vet Hospital team and serves as kennel manager and tech assistant. In her free time she loves to take her dog Hank (a Kelpie heeler mix) to the river to swim, hiking, fishing, dirt biking and snowmobiling with her husband.


Kiersten Newsome, Kennel Technician


alexSamantha Sroczyk, Vet Student
Sam was a military child and grew up in many different places all around the world, but for the past 9 years she has called Townsend, MT home. Sam graduated from Montana State University in the Spring of 2015 with a bachelor’s degree in Animal Science. She then started veterinary school at Washington State University that Fall as a member of the WIMU program.

Sam joined the SVH team in January of 2014 as a pre-vet intern and hasn't left since, during the Winter and Summer breaks you are almost guaranteed to find her in the clinic. After graduation Sam hopes to go into private practice with an interest in mixed-animal medicine.

In her spare time, Sam enjoys everything that the outdoors has to offer including hunting, fishing, camping, snowboarding and hiking with her dog, Otter. She also enjoys traveling the world, baking and reading a good book!


alexOlivia Young, Vet Student
Olivia is from Belgrade, Montana and earned her Bachelor of Science degree in Animal Science at Montana State University in 2015. She is now attending veterinary school at Washington State University in the class of 2019. After vet school, she hopes to work with both small animal species and horses. In her free time she enjoys horseback riding, skiing, hiking, and spending time with her 3 cats.