Our Team

If you’re looking for skilled, compassionate and experienced veterinarians in Centennial, you should meet our team! We know that quality medical care is only one part of the equation when it comes to caring for your pet. Kindness, patience, and respect for pets and their caring owners are equally important and something we set out to accomplish every day. Get to know our team and see if Festival Animal Clinic is the right fit for you! And when you're ready to make an appointment, call us at (303) 850-9393.


Dr. Yvonne Knapp

Dr. Yvonne Knapp has been a lifelong lover of animals and grew up in Carson City, Nevada, where she continually surprised her family with a multitude of pets. She loved getting to spend time with various large and small animal veterinary hospitals when when she was growing up and knew that was the path she wanted to follow for her career.  She attended the University of Nevada, Reno where she got her Bachelor of Science degree in Animal Science and then went on to the Ohio State University where she received her DVM degree in 1989. She has worked at a variety of veterinary hospitals in Nevada and Colorado and was graciously offered the opportunity to purchase the Festival Animal Clinic from Dr. Kim Saltus in 2012 with Dr. Rob Leenerts. She fully enjoys the clients, veterinarians and staff of this long time Centennial veterinary practice for our beloved animal family members.

Dr. Knapp’s special areas of interest include: internal medicine, teeth cleaning and feline medicine. Dr. Knapp feels very blessed to live in the beautiful state of Colorado and enjoys spending time with her husband and adult children.  She enjoys outdoor activities including tennis, hiking and skiing.  She has had many pets over the years but now has “Buckeye”, a very loving and devoted Pointer, named for her veterinary college’s mascot.

dr. yvonne knapp: our team in centennial, co
dr. rob leenerts

Dr. Rob Leenerts

Dr. Rob Leenerts is a Colorado native and earned his Doctor of Veterinary Medicine degree from Colorado State University in 1986. Upon graduation, he practiced in Northern California for 10 years before returning to Colorado. He has worked at practices in Broomfield, Parker and Lone Tree before having the opportunity to partner with Dr. Knapp in the purchase of Festival Animal Clinic in July, 2012. In the spring of 2009, Dr. Leenerts completed training and certification in Veterinary Medical Acupuncture at the Colorado State University School of Veterinary Medicine. He currently provides medical acupuncture for dogs and cats at our facility and enjoys the interactions he has with the pets and their human companions.

Dr. Leenerts lives south of Parker with his wife, Kay.  They have an adult daughter and son and share their home with a menagerie of pets including a Shih-tzu named Micah, a Dachshund/Chihuahua named Gabe and two cats, Mango and Delli.  Dr. Leenerts enjoys hiking, camping, biking, playing tennis and participating in the world wide treasure hunting game of geocaching. He also is a sign language interpreter and provides this service weekly at the church he attends as well as for our hearing impaired clients.

Dr. Chelsea McGivney

Dr. McGivney grew up in Albuquerque, NM and achieved her bachelor’s degree from the United States Air Force Academy in Colorado Springs.  After serving her country as an active duty Air Force officer, she decided to go back to school and graduated with a DVM from Colorado State University in 2013.  Dr. McGivney completed a small animal rotating internship at a specialty hospital in Maryland after graduation, has practiced in Maryland and Colorado, and currently enjoys working with our team at Festival Animal Clinic.  Her professional interests include a focus on preventative medicine, nutrition, and geriatric care.

In her personal time, Dr. McGivney enjoys doing CrossFit, hiking, exploring new cities when traveling, and spending time with her husband and pets.

chelsea mcgivney



Karen is a native of Colorado where she graduated from High School. She has been in the veterinary field since 1992 when she started out working in the kennels at a local emergency clinic. She has been with our team since 1998 as both a receptionist and technician.  She enjoys all aspects of her job and especially wants to make sure our clients and patients are happy and comfortable. Karen is married with two grown children and three grandsons.  Outside of work she enjoys the outdoors, hiking with her dog, horseback riding, camping and travelling.



Stephanie graduated from Bel Rae Institute where she received her degree as a certified technician in 1986.  Steph enjoys interacting with our clients as well as administering treatments and nursing her patients.  She is also very interested in dentistry and assisting our veterinarians with surgery. Steph has two grown children and 1 dog and 2 cats. Her hobbies include biking, hiking and reading.


Ashley is a graduate of the Bel Rea Institute of Animal Technology and has been a veterinary technician since 2005. She has been with our team since 2014 and has enthralled us with her distraction technique (yodeling) with our patients as well as her knowledge of classic rock. She has great love and affection for all pets and enjoys their individual personalities. In her spare time she enjoys spending time with family and her budgie “Skybird” and watching football. Go Broncos!!



Yuko was born and raised in Tokyo, Japan and moved to Cincinnati, OH with her husband in 1999.  She undertook the veterinary technology program at University of Cincinnati, earned an Associate of Applied Science degree and became a credentialed technician in 2005.  Upon graduation, her family moved to Colorado and she started work as a certified veterinary technician in the south Denver area. Yuko has two senior Cavalier King Charles Spaniels, Toby and Emma plus an 18-year-old cat Yoda.  Yuko's professional interests include senior care, dentistry, and cardiology.  In her free time, Yuko enjoys practicing yoga, going hiking and skiing along with her teenage son.


Jeanne graduated from Bel-Rea Institute where she received her degree as a certified technician in 2000. She has been with our team since 2017 and enjoys all aspects of pet care.  When she isn’t working, Jeanne’s interests include hiking and reading.  She also loves baseball and Colorado beer.



Larissa was born in Montana but spent most of her life in North Dakota.  She moved to Colorado in 2011 to attend Bel-Rea Institute, where she graduated with an Associate’s degree and became a Certified Veterinary Technician in 2013.  Larissa loves all aspects of general practice and has a strong passion for dentistry, anesthesia and patient care.  In her free time Larissa enjoys spending time with her husband and their two dogs Stevie and Ryder.  They like being outdoors, jeeping, camping and going to the dog park.


Stacy grew up in Tennessee.  She graduated from Tennessee Technological University in 1997 with a Computer Science Degree.  Stacy moved to Colorado in 2018 from Kansas.  Stacy is our Office Manager and has 15 years’ experience in Humane Societies and Animal Shelters.   Stacy enjoys spending time with her husband and fur babies.

Jessica L

Jessica L.

Jessica was born and raised in Atlanta GA.  She moved to Denver in May of 2017.  Jessica has been a Veterinary Technician since February 2002 and couldn’t imagine doing anything else.  She loves caring for all of the animals that come into the clinic and her southern charm puts clients at ease right away.  She found her home away from home here at Festival Animal Clinic in 2019.  Jessica loves spending time with her husband and fur babies.  Also enjoys hiking, camping, and horseback riding.

Jessica H.

Jessica was born in Denver and grew up with a love for dogs.  At the age of 10 she rescued a stray tuxedo cat that became a beloved family pet.  Jessica graduated from the University of Colorado at Denver with a Bachelor’s Degree in Communication and a minor in Film Studies.  She has been working as a Veterinary Receptionist since 2007 and is glad to be part of the Festival team since 2019.  Jessica and her husband, Grant, live with two dogs, Miles, a husky/pitbull mix, Marty Mcfly, an unusual purebred mutt and a calico cat named Yahtzee.  Jessica is an avid Avalanche hockey fan, enjoys going to the moves and concerts, bike riding, skiing and exploring all the microbreweries that Colorado has to offer.

Jessica H


Erin graduated from the Bel-Rea Institute in 2011. Her passion is for animal rescue and rehabilitation. She takes great pleasure in being an advocate for her patients and also helping educate clients to be the best fur parents they can be. When she is not working with animals in the field, she enjoys aerial work outs, yoga with her cats, or hiking with her pup Su in her arms.