Dr. Tristan grew up in Marlow, Oklahoma. He graduated from Marlow High School in 1997 and attended Tabor College in Hillsboro, Kansas, majoring in Animal Science. He transferred to the College of Agriculture at Oklahoma State University and was later accepted into the College of Veterinary Medicine. He graduated with his Doctor of Veterinary Medicine Degree in 2004.

Following graduation, he and Dr. Kathy moved to Boise, Idaho. Dr. Tristan worked at a small animal practice in Emmett, Idaho. He quickly found his passion for small animal surgery and performed many surgical procedures, both routine and complex. While living in the Northwest, he was able to do what he loves so much, spending time in the outdoors, hunting and hiking.

Dr. Tristan and Dr. Kathy moved to Iowa in 2006. He worked at the Eastern Iowa Veterinary Specialty Center as an emergency veterinarian, where he treated a wide variety of animals with serious conditions and was able to put his strong surgical skills to use. He later accepted a position as an Associate Veterinarian at Tender Care Animal Hospital in Coralville. It was there that he developed a strong interest in small animal dentistry. He was mentored by a board-certified veterinary dentist and became very proficient in advanced dental procedures.

Dr. Tristan and Dr. Kathy moved back to Oklahoma in the summer of 2011. They purchased the existing Tidwell Animal Hospital in Duncan and it became Osage Animal Hospital. They have devoted themselves to providing the best possible, most advanced care for pets in Southern Oklahoma. They have a warm, family-oriented approach to veterinary medicine. Dr. Tristan performs the majority of the dental and surgical procedures at Osage Animal Hospital, but enjoys seeing day-to-day cases and wellness visits, too.

Dr. Tristan tends to be in constant motion, with a wide variety of interests and hobbies. Some of those include hunting and fishing, woodworking, improving the environment for native species such as Turkey and Quail, taxidermy, long-range shooting, running marathons and even beekeeping. We can’t forget his lifelong support of his beloved Oklahoma State Cowboys. GO POKES!

Dr. Kathy grew up in Kelley, Iowa. She spent most of her early years surrounded by animals and received her Bachelor’s degree in Animal Science from Iowa State University in 1997. She was accepted into the Iowa State University College of Veterinary Medicine and received her Doctor of Veterinary Medicine degree in 2000. Following graduation, she completed an Internship in Small Animal Medicine and Surgery at Alameda East Veterinary Hospital in Denver, Colorado. While there, she saw an incredible variety of cases and developed a strong interest in Internal Medicine.

Dr. Kathy was selected for a Small Animal Internal Medicine Residency position at Oklahoma State University and moved to Stillwater in 2001. While in Oklahoma, she quickly learned to love OSU and also her husband, Dr. Tristan! Her Residency was completed in 2004 and she became a Diplomate of the American College of Veterinary Internal Medicine.

Dr. Kathy and Dr. Tristan moved to Boise, Idaho, where she was the Internal Medicine Specialist at Westvet, an emergency and specialty center. While there, she also became very interested in ultrasound and received advanced training to become proficient at ultrasound of the abdomen in both dogs and cats.

Dr. Kathy accepted a position at the Eastern Iowa Veterinary Specialty Center in Cedar Rapids, Iowa, in 2006. She worked as the Internal Medicine Specialist for the hospital and continued to treat complex cases involving both dogs and cats. She developed a devoted clientele and became known for her ability to manage difficult cases, as well as her compassionate care.

Dr. Nick is from Marlow, Oklahoma. Immediately after high school, he moved to Stillwater where he received his undergraduate degree from Oklahoma State University in 2019. His beautiful wife, Haleigh, is also from Marlow and she teaches social studies at Marlow High School. Together, they have 3 precious girls: Adeline, and identical twins, Evelyn and Lorelei. In the free time Dr. Nick has, he enjoys woodworking, riding motorcycles, reading and spending time with his sweet family.

Angela is one of our Veterinary Technicians. She is from Marlow, Oklahoma where she graduated in 2017. Angela began working at Osage in August of 2018, and graduated from Oklahoma State University in 2021 with her Veterinary Technician degree. Angela’s primary role is preparing patients for surgical procedures, inducing anesthesia and monitoring their vital parameters during the surgery. Additionally, she stays with each pet until they are fully recovered from anesthesia. Angela often sees appointments with the doctors and can be found helping out in virtually every area of the practice. Angela and her husband Josue were married in September of 2021 and together they have two cats – one fat cat named The General and a cute little kitten named Garbanzo. In her spare time, Angela enjoys cooking and gardening.

Lauren, a Veterinary Assistant, has been with us since October 2019. She was born in Clovis, California but actually grew up here in Duncan, where she graduated high school in 2011. Lauren discovered her passion for veterinary medicine while working at an animal daycare in Lancaster, Pennsylvania in 2017. Upon moving back to Oklahoma, she began working at a pet hospital in OKC. In 2018, Lauren had a beautiful baby girl, and named her Presley. After another year of working in OKC, she moved to Duncan and began working here at Osage. Lauren was married in 2021 to her husband Keaton where their family grew with her 2 wonderful step-children, Gianna and Brayden. Lauren is currently furthering her education at Penn Foster University where she is working towards her Veterinary Technician degree. Being an animal lover, she has 2 dogs, Brienne and Nuk and one cat, Killy. Lauren enjoys spending time with her family and friends at the lake or having dinner, going to church, and working out.

Tylin, is one of our receptionists and she was born and raised in Duncan where she graduated high school in 2016. After high school, Tylin furthered her education at the University of Central Oklahoma where she obtained two Bachelor of Arts degrees in Mass Communications. One in Organizational Communication and the other in Strategic Communication with a minor in Public Relations. Tylin has 4 years of reception and administrative experience. Not only is she our receptionist, she also manages our social media accounts and our website. Tylin and her husband Kolby were married in May of 2022 and together they have 2 dogs, Opie and Stella. Tylin enjoys watching movies, spending time with family, friends, and her dogs, being outdoors, particularly camping and hiking, traveling with her husband and attending church.

Shaylee is one of the receptionists here at Osage Animal Hospital. She grew up in Velma, Oklahoma where she graduated in 2016. She continued her education at Cameron University where she received her Bachelor of Science degree in Family and Child Studies in 2020. She began working at Osage in June of 2021. Shaylee grew up around many different animals, but her heart totally belongs to dogs. Outside of work you will find her spending time with friends and family, watching movies or enjoying a book at home. She has built lasting friendships while working for Osage and she feels grateful to be a part of the Osage Animal Hospital Family.

Courtney is a Veterinary Assistant at the clinic. She was born and raised in Duncan, Oklahoma where she graduated high school in 2016. Courtney married her husband Tyler in 2018 and then gave birth to beautiful baby boy named Jackson in 2019. Courtney is successfully juggling motherhood and a full time job while furthering her education at Penn Foster University where she is working towards her Veterinary Technician degree. Courtney has always had a heart for animals and enjoys being able to work with them every day. In her leisure time, you may find her outdoors, baking, painting, and most importantly spending time with her husband and her son.

Cole was born and raised in Marlow, Oklahoma and joined us here at Osage in 2016. He started as one of our kennel assistants, taking care of the pets here in the afternoons after school. After he graduated from Marlow High School in 2019, Cole started working as a Veterinary Assistant. He now helps with appointments, runs laboratory tests in the clinic and assists with just about anything! He’s currently enrolled at Cameron University pursuing a Bachelors in Biology and plans to apply to the Oklahoma State College of Veterinary Medicine after he completes his prerequisite courses. Cole enjoys spending time with his very energetic German Shepherds, Kai and Nala, and his cat. Mama.

Jonna is one of our veterinary assistants. She lived in Velma, Oklahoma and graduated High School in 2020. Jonna has such a tender heart and has always loved animals but it wasn’t until a few years into college that she decided she might want to pursue a career with animals. Jonna is currently enrolled at Penn Foster University earning her Veterinary Technician degree. When she is not at work, you can find Jonna spending time with her family and friends, being outdoors, binge watching the Harry Potter and Marvel’s Avengers movies, playing with her dogs and cheering on the Oklahoma Sooners. Jonna is engaged to her fiancé, Dakota. They have plans to be married in May of 2023.

Heather was born in New Mexico and lived there until 2017 when she moved to Duncan. Heather has always had a heart for animals. She was raised around horses, dogs, cats, chickens, and more. Heather currently has a little farm of her own where she raises chickens. She also has 4 pets - 2 dogs named Tank and Tuff, 1 cat named Sylvester and 1 bunny rabbit named Flopsy. Heather gave birth to a beautiful baby boy in 2010 and named him Warren. Heather is our wonderful Kennel Manager and bather here at the clinic. She has also been grooming dogs for 17 years. Here at Osage, she keeps the kennels clean and cozy, takes care of our boarding pets, and provides the perfect spa day for our bath dogs. Whether your pet is here boarding or staying for a spa day, rest assured that Heather is taking fantastic care of them.

Tina is a pet groomer here at Osage Animal Hospital. Tina has been grooming dogs and cats since 2015. She spent time helping at Muddy Paws Pets, teaching others how to groom animals. She enjoys working with pets every day and giving them a “spa day” to make them look and feel pretty. She moved to Duncan from Tulsa, Oklahoma, so she could be closer to her children and grandchildren. She enjoys camping, fishing, four-wheeling and spending time with her own dogs, Lilly and Kyrra. In her words, life is good!