Dr. John Arnold was born in Seal Beach California and has practiced as a veterinarian in Nevada, California, Oregon, and Colorado. John is a proud CSU Ram, he attended Colorado State University for his BS in Zoology, MBA, and DVM. While attending the CSU School of Veterinary Medicine he met his future wife who is now a Board Certified Veterinary Surgeon and Surgical Oncology Fellow. Both Dr. Arnold and his wife graduated with the class of 2006.

John’s proudest accomplishment is being a father to his daughter Rylee Rose, who was born in May of 2015 and is quickly turning out to be an avid rock climber and hiker like her dad. In addition to enjoying rock climbing and hiking with his family and border collie mix, Lucy, he also enjoys playing ice hockey, soccer, and traveling. Dr. Arnold first joined the Raintree family in 2008 and in addition to practicing traditional veterinary medicine is also AAVMA Certified in Veterinary Acupuncture.

Some of his professional interests include cancer management, pain management, surgery, anesthesia, dermatology, and strengthening the human-animal bond. You may see John climbing or biking around Horsetooth or up Poudre Canyon… or enjoying his favorite meal (Brunch) with his daughter downtown. John is still actively involved at CSU. He serves on the Curriculum Committee for the CSU Doctor of Veterinary Medicine program. You may see him on campus giving presentations to the Pre-vet club or meeting with graduate students on what life is like as a practicing veterinarian. John also started a mentoring program at Raintree that gives future veterinarians an idea of what life is like at the hospital.

Dr. Kathryn Touran is a native of Petoskey, Michigan and grew up roaming the wild lakes and forests, developing a close bond with all the animals of the land. She completed her Bachelor’s Degree in Zoology at the University of Washington in Seattle, where she also competed at the national level with their Division I Track and Cross Country teams. She continued her education at Ross University of Veterinary Medicine, and Colorado State University-College of Veterinary Medicine and Biological Sciences, where she earned her Doctorate of Veterinary Medicine in January, 2009. Prior to becoming a member of the Raintree team, Dr. Touran worked in both ER and general practice for over ten years in Northern Colorado. Dr. Touran’s professional interests include surgery, dentistry, and multi-modal pain management, and she is particularly excited about keeping our older companions active and comfortable long into their twilight years. In her free time, Dr. Touran can usually be found working on her property with her husband, Pedro. She also continues her lifelong running passion, raises Thoroughbred horses, and loves to spoil her four dogs, three cats, macaw, and little flock of chickens.

Dr. Holwegner is a Colorado native, growing up in the Denver Metro Area. She attended Colorado State University for her undergraduate degree, studying Zoology and Music.

Upon graduation, she remained in Fort Collins where she met her husband, Steve, worked as a veterinary technician and continued on to attend veterinary school at Colorado State University. Dr. Holwegner has worked in small animal private practices in northern Colorado and Thornton prior to joining the Raintree team. Her interests include internal medicine, diagnostic imaging, and the human-animal bond.

Blair and her husband share their home with their dog Evie, their cat Griz, and their parakeet Charlie. She enjoys singing, gardening, being outdoors, and is an avid bird watcher.

Dr. Amanda Lor was born and raised in Duluth, Georgia and earned her Bachelor’s degree in Animal Science at the University of Georgia (Go Dawgs!). She then continued her education at the University of Georgia for her doctorate degree in veterinary medicine and graduated in 2019. After graduation, Dr. Lor moved to Fort Collins and worked in a small animal practice in Milliken before joining the Raintree team this year. She has a strong interest in soft tissue surgery, dentistry, caring for our senior patients, and preventative medicine.

Dr. Lor currently lives in Fort Collins with her husband Jacob, two dogs Lilly and Harper, and cat Gus. In her free time, she enjoys spending time with her family, camping, hiking, gardening, and reading.

Originally from western Montana, Dr. Barrera received her undergraduate degree from the University of Miami and her DVM degree from Colorado State University in 2006. She then completed a rotating internship at Animal Surgical and Emergency Center in Los Angeles, CA, followed by a surgical internship at Oregon State University. Dr. Barrera then returned to Colorado State University to complete a residency in small animal surgery in 2011, followed by a one-year fellowship in Surgical Oncology at Colorado State University’s Animal Cancer Center in 2012. Dr. Barrera has presented and published articles in the areas of endocrine and minimally-invasive surgery and loves showing how fun surgery can be to general practitioners, lecturing at conferences, and teaching surgery continuing education laboratories multiple times a year. Dr. Barrera enjoys all aspects of small animal surgery, with particular interests being surgical oncology, soft tissue and orthopedic minimally-invasive surgery, and endocrine surgery. Dr. Barrera is very excited to partner with her amazing technicians, Michaela and Megan, to bring specialty surgery to Raintree Animal Hospital.

Outside of veterinary medicine (and most importantly!), Dr. Barrera enjoys spending time with her husband John, daughter Rylee, cat Mango, and mountain mutt Lucy Goose. As a family, they love to travel, do road trips in their family camper van Huckleberry, hike, go backpacking, cook, and read.

Dr. Shannon Lu grew up in Westminster, CO. Her love for animals began in late high school when she started fostering dogs for a local rescue. She earned her Bachelor’s in Science at the University of Colorado Denver in 2014. She moved to Fort Collins for her veterinary degree at Colorado State University, graduating in 2020. Prior to becoming a doctor, she worked as a veterinary assistant since 2012. Her passions in veterinary medicine include dermatology, behavior, and dentistry. She earned her fear-free certification in September 2020. She‘s excited to join the Raintree team for the new location in Timnath 2023.

Dr. Lu currently lives in Timnath with her partner, Ben. In their free time, they do Latin dancing, so you may see them around town teaching bachata social dance lessons or performing with their team. They also love spending time cuddling with and caring for their pets – a chihuahua (Soybean), a 50-lb mutt (Katana), a black kitty (Diamond), and an axolotl (Bacon).

Dr. Joyce Thompson is a Colorado native and attended Colorado State University for BS in Microbiology, MS eligible in Anatomy/Neurobiology, and DVM in 2004. She became certified in medical acupuncture in 2013.

Prior to her veterinary career, she was a certified pet dog trainer and Head of Behavior and Training at the Longmont Humane Society for 10 years. Behavior and training are still integral facets of her veterinary practice today. She practiced at a high-quality, small animal general practice in Arvada for the majority of her career and moved to Windsor in 2017. In 2019, she became the veterinarian at the Wild Animal Sanctuary and Refuge where she cared for nearly 700 wild animals from lions and bears to coyotes and camels. While these amazing exotic animals held a special place for her, she missed working closely with clients and their furry families, which prompted her return to small animal general practice. She joined Raintree Animal Hospital in November 2022 and will be at the Timnath location. Her special interests are pain management including acupuncture and laser therapy, dental care, behavior, and wellness medicine for all life stages, and emphasizes gentle low-stress handling.

In her time away from work, she enjoys traveling, camping, hiking, reading, and knitting. She shares her life with her husband Brad, step-daughter Madi, and their furry crew, Labrador Dallas and black kitty Daisy. She looks forward to working with you and your furry family!

Dr. Leigh Browning grew up in the Boston area and completed her undergraduate degree in Comparative Literature at Haverford College in Pennsylvania. A career change to veterinary medicine brought her west to Fort Collins, where she received her DVM from Colorado State University in 2017. After completing a small animal rotating internship at the University of Minnesota Veterinary Medical Center, she returned to settle in Fort Collins, where she has been working in both ER and general practice ever since. Dr. Browning is the newest addition to the Raintree Timnath Location and is so happy to be a part of this new community and team. As a Fear Free Certified practitioner she loves working with clients and patients to make visits low stress. Her other professional interests include internal medicine, urgent/emergency care, dentistry, and preventative care.

Dr. Browning lives in Fort Collins with her husband Dan, children Ari and Annette, dog Birdie, and three babydoll sheep (Cinnamon, Sugar and Nutmeg). She enjoys spending time with her family, reading, cooking, being outside, and dreaming up home improvement projects.

Susan was born and raised in the northwest suburbs of Chicago. In the summer of ’97, she moved to the wonderful state of Colorado to attend Colorado State University. In 2001, she graduated with a BS in Wildlife Biology. Susan wanted to broaden her animal education, so she completed the Veterinary Technician Program at Front Range Community College and in 2004 become a certified veterinary technician. Since then she has had the pleasure of working at Colorado State University Veterinary Teaching Hospital in various small animal services, such as Community Practice, Internal Medicine, and Dentistry and Oral Surgery.

In July 2013, she joined the RAH team as practice manager. Outside of work Susan stays busy with her family, loves to dabble with photography, gardening, and enjoys every opportunity she gets going to the mountains.

Sarah was born and raised in Denver Colorado. She moved to Fort Collins in 2000 to attend Colorado State University. In 2005 she graduated with a bachelor’s degree in Biology and in Animal Sciences. She joined the Raintree staff in January 2006. Outside of work she enjoys spending time with her husband Ryan and sons Brendan and Ryder. She also enjoys sewing, reading, playing music, hiking, and 4-wheeling in the mountains.

Stephanie is a Fort Collins native who is excited to be a part of the Raintree Animal Hospital team! As an avid animal lover, she always knew she wanted to work in the field of veterinary medicine. After completing Veterinary Assistant coursework at Front Range, she discovered her true calling was in making connections with clients. When not working, she enjoys watching scary movies, completing jigsaw puzzles, and spending time with her husband, Brandon, who shares her passion for animals. Together they have been fortunate enough to adopt 4 retired racing greyhounds over the past 11 years, including their two current goofy greyhounds, Mulder and Scully.

Jaime graduated from Front Range Community College in 2012 with a Veterinary Tech Assistant Certificate and loves working here at Raintree Animal Hospital. Aside from helping clients and loving on the patients, Jaime truly enjoys obsessively cleaning everything and unpacking the weekly order. Outside of work, you’ll find Jaime hanging out with her family and friends, singing in the car, or taking a little mid-day snooze on the couch. She shares her house with her sister Jessie, three dogs (Princess Adelaide Victoria Peach III, Louie, and Dylan), two cats (Bella and Buttonlicious), and two rats (Beethoven and Socrates).

Megan was born in Wisconsin and moved out to Fort Collins to attend CSU where she earned a bachelor’s degree in Biological Sciences. She has always had a love for animals and has been volunteering/working in the veterinary field since high school. She has continued to expand her knowledge in the field and found a love for anesthesia and surgery. Megan made the transition from general practice to specialty where she is able to focus on her passion for surgery. When she is not working, she likes to take her Golden Retriever Kevin for long walks or hikes, and then grab a beer at one of the local breweries.

Michaela first began working with animals while fostering pets in high school. She continued gaining experience in the field by working in shelters and veterinary clinics while attending Towson University. In 2016, she graduated with a Bachelor’s of Science in Organismal Biology and Ecology. She then moved to Fort Collins, where she worked in general practice before discovering a passion for anesthesia and surgery. Since then, Michaela has dedicated herself to the surgery specialty and enjoys expanding her anesthesia knowledge and skills. Her interests outside of work include fitness and nutrition.

Alex was born and raised in Fort Collins. He graduated from Poudre High School and got a bachelor’s degree in communications with a minor in German language at Colorado State University in 2020. Alex found a passion for helping animals and their families after joining the vet field and Raintree in 2021. He spent a year in Washington before returning to Raintree Animal Hospital in June 2023. When not at Raintree, you can find Alex enjoying Star Wars or Formula 1!

Annabel, originally from Connecticut, grew up in a military family that moved around a bunch, so home is wherever her family is!  She graduated from CSU last Spring where she studied pre-veterinary animal science and competed on the track and cross country teams.  When she is not running, baking, or reading, she loves to play with her crazy pup, Linus!  Annabel is working towards a career in veterinary medicine and aims to begin vet school next year!

Bio coming soon!

A Colorado native, Darby was born and raised in Fort Collins. After exploring floral design, she stumbled into the veterinary world in 2021 and really enjoyed it. She is currently taking a class in medical coding and billing and hopes to work in a larger hospital in the future. In her free time, Darby enjoys spending time in the mountains with her dog Finn or curling up with a book and her kitties at home.

When not working, you can find her in the outdoors golfing, hiking and skiing. She loves to visit her kids, travel with her husband and spend time with her friends or chilling at home with her dog, Sadie and her cat, Phoebe.

McKenna considers herself a Colorado “almost native” — while she was born in Michigan, she grew up in Fort Collins and Loveland. She graduated from Colorado State University with a bachelor’s degree in English in 2018, before starting a career as a sales associate and aquatics specialist at Petco. A brief detour into behavioral therapy left her with the realization that her passion was with animals, and so she joined the Raintree family in March of 2023. When she’s not at Raintree, you can find her moonlighting as a freelance writer working with CalmingDog, a brand focused on anxiety relief for dogs. McKenna also enjoys drawing, cosplaying, tabletop RPGs, writing, and outdoor activities with her dog, Holly. She lives with her dog and fiancé in Loveland, along with her ball python and multiple fish tanks.

Bio coming soon!

Carter was born and raised in Colorado and has lived in Fort Collins most of his life. He is incredibly avid about the outdoors and, more specifically, winter. By far, winter is his favorite time of year. His interests include snowboarding any chance he can get, and you can always catch him watching anything Star Wars. Carter has two rescued animals; a calico cat named Appa and a Pit Bull named Pebbles.

Danielle (Dani) was born and raised in Colorado. She has always been an animal lover. From saving baby birds to having a bucket of mudpuppies, which drove her parents nuts. She found her passion in vet med while living in Texas being a receptionist, lead kennel technician, and a veterinary technician. She moved back to Colorado about 2 years ago to be closer to family. Dani has worked in the field for over 7 years and is now a Registered Veterinary Technician. She enjoys working with neonates and often takes them home to foster to find a forever home. She has only been a foster failure once. In her spare time Dani spends time with her husband James, son Aiden, and their 2 aussies, Bullet & Locket. Dani is an old soul, enjoys restoring cast irons, and just having fun with family & friends.

Born in a small town in west Florida, Devyn was always surrounded by animals. She grew up watching Steve Irwin on tv and spent most of her time playing with her pets and critters in her backyard. It was at that young age that she decided her passion was animals. Devyn spent the rest of her life dedicated to helping them and learning more about what she could do. In high school, she became a Certified Veterinary Assistant and later decided to move to Colorado to pursue a career in veterinary medicine. It was here that she began working her first job as a veterinary technician, and fell in love with it. What Devyn loves most about her job is getting to know more people and their pets, and making sure they know their pets are in good hands. In her free time, Devyn enjoys writing and spending time with her boys; her corgi Tyrion, her cat Jet, and her boyfriend River. The four of them all like to go on walks and enjoy group cuddles while watching movies. For her future goals, Devyn hopes to pursue a veterinary technician degree and begin working as a technician at a wildlife zoo or reserve, so she can work on larger, more exotic animals. As a kid, she always dreamt of holding her hand up to a lion’s paw, and she still insists on making that dream a reality.

Jessi is finishing up her undergraduate at CSU and getting a bachelor’s degree in both Biology and History. She is an aspiring veterinarian and loves to constantly learn, especially in the medical field, which is why she loves her job as a veterinary assistant and working with patients at Raintree. In her free time, Jessi loves to hike with her two dogs and husband, read, and horseback ride. She is part of a group called Knights of the Tempest where she does medieval horseback riding and even jousts!

Kari is a Colorado native born and raised in Colorado Springs. From a young age she has always had a strong desire to help those in need; four-legged or two-legged, while being surrounded by animals large and small for the majority of her life as a former 4-H member. She recently graduated from Colorado Mountain College in 2022 with her Associates of Applied Science in Veterinary Technology and received her CVT in July. Kari’s career goals consist of orthopedic medicine, radiology, and zoo/wildlife conservation. In her free time, you’ll find Kari painting/drawing, doing yoga, tending to her house plants, and adventuring the outdoors with her boyfriend, Grayson. Although she currently has one rabbit named Krylon, there is a long list of many pets she strives to own and care for in the near future.

Natalie was born and raised in North Carolina but has also lived in Texas, New Mexico, and Nebraska. Now she lives here in Fort Collins, where she recently graduated with her Associate Degree of Applied Science in Veterinary Technology. Natalie loves learning more and more about the veterinary field and aspires to go to Vet school in the near future. In her free time, she loves exploring the outdoors, being with friends, or snuggled up with her cat named Mouse!

Nicole is originally from Chicago, Illinois and is currently a junior attending Colorado State University with a major in Zoology and a minor in Conservation Biology on the pre-vet track. Nicole will be applying to CSU’s veterinary school in just a few years with large hopes to specialize in neurology, specifically in cats and dogs. She recently rescued a 6-year-old cat named Eevee who has been attached to her hip ever since. Nicole also has a 17-year-old family cat named Scamper and a 7-year-old Labrador named Macy! In Nicole’s free time, she loves painting, hanging out with family and friends, and playing tennis.

Rylee is a Colorado native and graduated with a degree in Equine Science from CSU. When she isn’t working she loves to shred the mountains, go running with her exuberant German shepherd, and hang out with her ducks. Her favorite type of weather is a balmy 72, with the sun shining down on her so she can ride her horse. Although she is newer to the veterinary field, she strives to fine-tune her technician skills and expand her ability to help animals large and small. Here at Raintree, when she isn’t taking care of our furry patients, Rylee is our resident sharpie thief.

Stacy was born and raised in Fort Collins, Colorado. From a very young age, she had a deep love for animals. As she grew, she had a desire to become involved in a veterinary practice, but instead found herself in the world of banking for a number of years. Shortly after her time in banking ended, she decided to pursue her true passion in veterinary medicine. Starting out as a front desk receptionist, she quickly advanced to the roll of a veterinary technician. After years of working in Neurology and Emergency Services, she wanted to further expand her professional knowledge. She was hired at Raintree in 2023, and is currently working on becoming a fully licensed veterinary technician in the state of Colorado.  Stacy has two Guinea pigs (Fangs and Archie), a crested gecko (Toast), and two chihuahuas (Versace and Thrasher).   In her free time she enjoys attending concerts, toy collecting, and playing Pokemon Go!

Bio coming soon!

Bio coming soon!

Bio coming soon!

Bio coming soon!

Bio coming soon!

Angel was born in southern Colorado and moved to Fort Collins in 2016. She started working with animals by volunteering at her local animal shelter. She then started a career in dog boarding and daycare where she spent most of her time over the course of roughly 6 years. Over the last few years she has spent some time in a general practice vet office and in the Critical Care Unit at CSU’s Veterinary Teaching Hospital. She is currently going to school to get an Associates of Applied Science degree to be a Certified Veterinary Technician.

Angel has 2 cats and a dog named Boo, a tripod tabby; Mowgli, a long haired black cat; and Niecy a Pomeranian mix- with a long list of plans for future pets. In her free time she enjoys going with her partner to take their toddler on many different adventures, reading, and being a serial hobbyist.

Bio coming soon

Delaney graduated from CSU with a B.S. in Neuroscience in 2017 and a M.S. in Toxicology in 2020. She is currently studying veterinary medicine at CSU. She has a cute mutt named Keira and a handsome kitty named Leonidas. Delaney has a special place in her heart for nervous pups and kitties- even the spicy ones! In her free time, you might find her hiking in the mountains or directing music for her church. She has thru-hiked the 486-mile Colorado Trail with her family and dreams of one day thru-hiking the 3000-mile Continental Divide Trail.

Bio coming soon!

Bio coming soon!