Dr. William Gunther
Dr. Gunther became the owner in 1995. He recently step down from being owner in 2025. He is the senior-most veterinarian on staff. He received his Doctor of Veterinary Medicine at Michigan State University in 1983. When not at work, Dr. Gunther enjoys playing his guitars, taking cruises, and spending time with his wife, Elaine.
Dr. Sarah Marak
Dr. Marak relocated to Vermont from Missouri in August 2017 with her husband, Paul, and became co-owner of Champlain Veterinary Clinic in April 2020. She earned her Doctor of Veterinary Medicine from the University of Missouri in 2015. In 2024, she welcomed her daughter, Harper, and more recently, her son, Jace. When she’s not caring for patients or chasing after her little ones, Dr. Marak enjoys walking her two dogs, Newton and Sirius, and sneaking in a few belly rubs with her cats, Mad-Eye and Grindelwald.
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Dr. Sonya Zehle
A life-long Vermonter, Dr. Sonya grew up in Essex and went to UVM. She accomplished her life-long dream of becoming a veterinarian by graduating from Michigan State University College of Veterinary Medicine. She is grateful to be practicing medicine in Vermont and has a special interest in behavioral and internal medicine and establishing long lasting relationships with clients. Outside of the clinic, Dr. Sonya enjoys spending time with her family and exploring the outdoors. As of 2025, Dr. Zehle became co-owner of Champlain Veterinary Clinic.
Alicia
Alicia has been with us since 2020. When not at work, she loves spending quality time with her husband, Mark, and her six kids. She also enjoys walking with her dogs, Arlo, Finn, and Bean. She can frequently be found in her garden, at the swimming hole, or at the gym.
Casee
Casee is a native Vermonter born and raised on a dairy farm in the NEK. She has been in the veterinary field for over 15 years as a front desk team member. She has two darling senior cats at home named Walter and Izzy, and is excited to add a French Bulldog puppy to her pet family! When not found at the office she enjoys cooking, music, writing and traveling with her loved ones.
Grace
Grace is a Vermont native who has been a valued member of our team since 2021. A Fear Free Certified technician, she has a special interest in animal behavior and began her career in shelter medicine in 2018. She is continually seeking new ways to expand her knowledge and skills, and she is deeply passionate about providing compassionate care to the community she serves. Outside of work, Grace enjoys reading, creating handmade jewelry, and taking mini road trips with her significant other. At home, she shares her life with her two cats, Salem and Hunter, and her horse, Holladay.
Ashlyn
Ashlyn joined our team in 2025 as a dedicated veterinary technician, bringing a genuine passion for animal care and client connection. Outside of the clinic, she stays busy with her two children, Chloe and Cole, who keep her on her toes. She loves spending time with her family, being outdoors, and caring for her horses. At home, she also has two dogs, Winnie and Sophie, who are always up for an adventure.
Cathy
Cathy has been working at Champlain Veterinary Clinic for 32 years, initially working with one of the founders, Dr. Larry Larrow. She enjoys working with all the creatures, great and small, but is especially fond of cats. In her spare time, Cathy loves gardening, walking her Dalmatian, Tristan, and spending time with her family.
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Nikki
Nikki is an alumna of Vermont Technical College and has worked as a veterinary technician in various settings for almost 20 years. She joined the Champlain Vet Clinic team part-time in 2025. When she’s not at the clinic, she keeps busy with her pet-sitting service, Fairy Dogmother Pet Services. In her downtime, she enjoys spending time in the woods with her five dogs or curling up on the couch with a good book and a cup of tea.
Nicole
Nicole has been a veterinary technician for over 15 years. She is a graduate of Vermont Technical College’s Veterinary Technician program. She is a life long Vermonter and her love for animals was fostered growing up in the Westford, Vermont countryside surrounded by domestic and wild animals. In her spare time she can be found gaming, reading, biking, watching movies, or just hanging out with family and friends.
Paul
Paul works part-time at Champlain Veterinary Clinic, where he brings steady dedication and a supportive presence to the team. Outside of work, he enjoys woodworking and baseball, two hobbies that help him unwind and stay creative. Paul is a proud father to his daughter and is excited to welcome another child soon.
Mashed Potato
Mashed Potato was a stray cat that kept roaming into Dr. Zehle's neighbor's garage. While attempts were made to find him a home, he ended up stealing our hearts. He never lets the staff forget that he is the keeper of the food bowl and turns his tail, when he gets ask if he is pregnant.
