Meet Our Team

Dr. Stephanie Stevens



Dr. Stevens grew up near Rapid City, SD. She received a Bachelor of Science in Animal Science from South Dakota State University in 1991, and then her Doctor of Veterinary Medicine degree in 1995 from the University of Minnesota. After working for a short time with Black Hills area veterinarians, she started working full-time in Edgemont. A year later, she founded Cheyenne River Animal Hospital in its current location. Dr. Stevens attended animal chiropractor school in Wellsville, KS, and was certified by the International Veterinary Chiropractic Association in 2008. 

Dr. Stevens married Kerry Barker in 2002. They have a daughter currently attending South Dakota State University. Their youngest daughter is in high school. Dr. Stevens loves working with cattle, horses, dogs, and cats. In her free time, Stephanie enjoys spending time with family, working in their yard and garden, horseback riding, reading, and running.  

Dr. Erica Koller



Dr. Erica Koller grew up right here in Edgemont, SD, went to South Dakota State University in Brookings and attended veterinary school at Iowa State University. She is very comfortable in small animal surgery and bovine obstetrics. Since she is the daughter of a local rancher, she understands importance of animal well being and herd health in this area. She has also spent some time traveling to other parts of the United States and the world through veterinary medicine. She has a love of teaching and molding the next generation. She has developed an externship program for veterinary students to experience a rural veterinary clinic. Her family, including husband Dustin Ross, son Tucker and daughter Harper, are very active in the community. She loves to share her passion for rural values and traditions through modern technologies.  

Dr. Olivia Lakatosh



Dr. Olivia Lakatosh is from East Tennessee.  She received her Bachelor of Science Degree in Animal Science in 2014 and Doctor of Veterinary Medicine Degree from the University of Tennessee in 2018.  She enjoys the variety of animals she gets to see in mixed animal practice.  She first got involved with livestock during her undergraduate education, where she was on the livestock judging team.  She loves working with cattle, and her goal is to work as a team with ranchers to better the agriculture industry.  She also values providing compassionate care to people's pets.  During vet school, she spent some time here at Cheyenne River and loved the area so much she came back after graduation.  She and her husband, William, are excited to have moved to the Black Hills area.  They have a Tennessee Brown Dog named Tyson, a German Shepard named Jax, and a corn snake named Xerxes.  In her free time, she loves to read books, hike, and throw frisbee for her pups. 

Edna Neville



Edna was born and raised in the Douglas, WY area. She and her brother grew up on ranches with a cowboy/cowman foreman father and a teacher mother. After marrying Maurice, her husband of 43 years, they ranched in WY and in 1981, moved to the Edgemont area. They moved into the city of Edgemont in 1998, staring their own business, Neville Repair. 

They have two children, Leslie (and her puppies) of Phoenix, AZ and Justin and daughters of Edgemont. Their two graddaughters are Bridget and Addison. They have two grand-puppies in Phoenix: Callie, an elderly and extremely funny Springer Spaniel, and Isacc, a young and very loving Boxer. Bridget, Addie, Grandma and Papa have a family Cockapoo dog named Toro that Aunt Leslie rescued and gave to them as a family pet.  

Anne Foster



Anne grew up in Estelline, SD. She went to South Dakota State University in Brookings for Animal Science and attended National American University in Rapid City for Veterinary Technologies. She began working at Cheyenne River Animal Hospital in June 2013 while finishing her veterinary technician classes. She grew up on a farm with a cow/calf operation and feedlot, and enjoys working with livestock as well as being outdoors. 

Lacy Stevens



Lacy Stevens grew up on a ranch outside of Edgemont, SD. She graduated from Edgemont High School. She continued her education at Black Hills State University where she received her Biology degree in fall 2016. She is currnetly continuing her education to become a large animal veterinarian at Iowa State University.

Will Lakatosh




Will is from East Tennessee and received a bachelor’s of science studying Wildlife and Fisheries Management from the University of Tennessee. After working at a small wildlife zoo in Gatlinburg, Tennessee for four years, he and his wife Olivia moved to Edgemont, SD to work for Cheyenne River Animal Hospital. He is currently working towards receiving his national veterinary technician accreditation from St. Petersburg College. He has worked with a wide variety animals, from black bears, otters, and eagles to cattle, dogs and cats. There is no animal too big or too small that he doesn’t enjoy working with.

He and Olivia have two dogs, Tyson and Jax. They also have a corn snake named Xerxes; don’t worry, they put him away at night.  Will enjoys playing guitar, brewing beer, cooking, and hiking.  He is excited to be at Cheyenne River and to provide the best care possible to any and every animal that comes through the door.



Clinic Cat


Pete is a former patient that now works dilligently in "patient-welcoming." He is 18 years young!