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Our Veterinarians

Meet the folks who make it all happen. We see big potential in every moment, and care deeply about what we do every day.

Dr. Kellie Holmstrom

Practice Owner, Veterinarian

When her father was earning his economics degree from Oklahoma State University, Dr. Kellie Holmstrom and her brothers would visit the livestock barns on campus to see the animals. One day when she was only five years old, a team of veterinarians and students rushed into a nearby stall to deliver a calf. Young Dr. Holmstrom watched the whole thing from behind a gate—she was hooked! It didn’t take her long to realize that veterinary medicine was the perfect career choice for her.

After graduating high school here in Marquette, Dr. Holmstrom joined the United States Army. She earned a degree in civil engineering from Michigan State University and was put in charge of the chemical, nuclear, and biological training for the state of Michigan’s Army Reserve and National Guard units. Following her service, Dr. Holmstrom headed to MSU’s College of Veterinary Medicine, spending a month with a veterinary unit in Kaiserslautern, Germany for her clinical studies, then graduated with her Doctorate in 1985. After working in West Branch and Farmington, during which time she became engaged and married, she spent a year at a small animal practice in Pittsburgh, Pennsylvania while her husband completed a fellowship at a local medical hospital. Dr. Holmstrom, her husband, and their young daughter returned to Marquette in 1992. While investigating the idea of opening her own practice, she was introduced to her business partner and opened the doors of the Animal Medical Center of Marquette in March 1993. She’s been serving the area’s pets and animal owners here ever since! Dr. Holmstrom especially enjoys dental work—having learned to complete complex dental procedures from a former board-certified employer and mentor—and visiting with adorable puppies and kittens on a daily basis. She’s also passionate about challenging and inspiring her team in order to provide the ultimate brand of superior veterinary care for the area’s pets.

Dr. Holmstrom and her husband Craig, who works as a neurosurgeon at the local hospital, have three wonderful children. Kelsie, the eldest, teaches at a boarding school in Putney, Vermont; Carlie works for Target; Charles works for Boenig in St. Louis, Missouri. Dr. Holmstrom and her husband share their home with Stella, the family Golden Retriever, who also happens to serve as one of the Animal Medical Center of Marquette’s blood donors and a pair of Maine Coon siblings named Angelo and Lucille.

When she isn’t tending to pets here at the clinic or spending time with her family, Dr. Holmstrom enjoys traveling, skiing, taking photos, filming sports events, and reading good books. She’s also passionate about philanthropy and giving back to the community—Dr. Holmstrom previously served on the Marquette Community Foundation, was a member of the Marquette Area Public School Board for 12 years, and served as the chairwoman of the Brownfield Authority for the city of Marquette to help bring new businesses into the community and grow the local economy.

Dr. Dale Aho

Associate Veterinarian

Dr. Aho received his Doctorate of Veterinary Medicine from Michigan State University in 1973. He sees both small and large animal patients, and does most of the clinic’s advanced orthopedic procedures. His hobbies include fly fishing, traveling to Alaska and Montana, and reading Tom Clancy novels.

Dr. Jo Gerrish

Associate Veterinarian

Dr. Jo Gerrish has adored animals since she was a little girl—veterinary medicine is the only career choice that she ever considered! She feels incredibly proud and privileged to play a role in improving pets’ health and wellness as an Associate Veterinarian here at the Animal Medical Center of Marquette.

Dr. Gerrish grew up in Sault Ste Marie, Michigan with her parents and sister, and started her animal-care journey by attending a branch of Michigan Technological University in Houghton for two years of pre-veterinary studies. She then gained acceptance to Michigan State University, where she earned her Bachelor’s degree in biology as well as her Doctorate of Veterinary Medicine.

Following graduation, Dr. Gerrish took a job at a multi-doctor practice in downtown Detroit before relocating to the suburbs and signing on at another clinic in the area. When she and her husband moved to the Upper Peninsula several years later, Dr. Gerrish worked for a local practice before gladly accepting a position here at the Animal Medical Center of Marquette. She has specific medical interests in internal medicine cases and surgery work. Dr. Gerrish is also fond of working with puppies and kittens, as well as the many geriatric patients who visit the hospital.

In her time away from work, Dr. Gerrish likes horseback riding, gardening, and listening to music. Her husband, Dr. Paul Gerrish, is a dentist, who after serving the community for many years is now retired and enjoying his fishing trips. The Gerrish family enjoy spending time with their children and grandchildren, and enjoy the company of their dogs. They have four English cocker spaniels: Willie, who retired from the show ring as the number-three Cocker spaniel in the entire United States; Stevie, who won best-of-breed at the Westminster Dog Show; Mo, who recently acquired his first championship; and Mabel who is still actively showing to this day.

Dr. Jennifer Aschenbrener

Associate Veterinarian

Before she even knew precisely what veterinary medicine was, Dr. Jennifer Aschenbrener enjoyed many aspects of the profession. She had always been fascinated by science, and she loved using her critical-thinking skills to solve puzzles. Plus, she’s had a lifelong love for animals that hasn’t wavered to this day! For Dr. Aschenbrener, a career in the veterinary world just made perfect sense.

Dr. Aschenbrener was born in Erie, Pennsylvania but moved to Carleton, Michigan with her family at the age of 12. She earned her Bachelor’s degree in biology from Siena Heights University in Adrian, then attended Michigan State University’s College of Veterinary Medicine to secure her Doctorate. Dr. Aschenbrener took a job in Lincoln, Michigan after graduation, where she got to work with everything from dogs, cats, and horses to cattle, sheep, goats, and pigs. Two years later, she relocated and joined the team at a practice in Albion, which she would eventually purchase in July of 2004.

Dr. Aschenbrener continued to own and operate her practice in Albion for the next 14 years, serving as an adjunct professor at Albion College’s Institute of Healthcare Professionals and also serving as an expert witness in court to help the Calhoun County Sheriff’s Department investigate animal neglect and cruelty cases. She and her husband purchased property in the Upper Peninsula in 2013 with plans to eventually move to the area, and Dr. Aschenbrener sold her practice to her friend and Associate Veterinarian before relocating to this area in June of 2019. She joined the Animal Medical Center of Marquette family that July and has been caring for the pets and animal parents of the area ever since!

Away from work, Dr. Aschenbrener enjoys reading good books; skiing, snowboarding, and snowshoeing in the winter; riding her Harley Davidson motorcycle; drawing and painting; running (she’s even done a few half-marathons!); and spending quality time with her family and pets. She and her husband, Tom, have a son named Rudy and also share their lives with four cats. The animal portion of the family includes two dogs named Caruso and Dave, as well as a mischievous cat named TinTin and a grey tabby who goes by Johnny Cash.