Our Team


Dr. Emily Leonard

Dr. Leonard started practicing veterinary medicine in 1999 after graduating from Ross University School of Veterinary Medicine in St. Kitts, West Indies. Her veterinary career started in Upstate New York practicing companion animal, large animal, and emergency medicine. She and her 2 girls, Brooke and Lily, moved back to her hometown of St. Louis in 2009. In St. Louis she worked at Veterinary Specialty Services in the emergency and critical care department as well as in a private practice for companion animals in Manchester. Dr. Leonard always admired Cherry Hills Veterinary Hospital founded by Dr. Christine Simcik. In July 2014 Dr. Simcik contacted Dr. Leonard with tears in her eyes and said she was ready to retire and felt the Leonard family would continue the practice with each individual patients best interest at heart.


Dr. Michelle Nack

Dr. Michelle Nack has been in private practice since she graduated in 1997 from University of Missouri College of Veterinary Medicine.  She started her career in Joplin, MO, then later moved to Glen Carbon, IL and practiced for a few years there.  Since 2004 she has been in practice in St Peters MO.  Her special interests include ophthalmology, nutrition, and helping families navigate the difficult end-of-life decisions.

Michelle met her husband, Bob Nack,  in vet school and they have been married since just before graduation.  They have FOUR boys: Will, Sam, Max, and Benji, all ALMOST out of the house and off on their own. Her husband Bob also practices in the St Louis area.

They also share their home (currently) with four demanding cat children: Jack, Moe, and the sisters Gwen and Annie.

Dr. Nack has been working on/off at CHVH for the last 2 years and is THRILLED to be able to join this wonderful team!!


Pam Eder, Office Manager

Pam lives in Fenton with her husband Skip and her 6 rescue dogs/cats…Ralphie, Evee, Penny, Karl, Simon & Glenn.

She has always had multiple pets and animals have always been her passion. She started working in the veterinary field in 2012 and immediately fell in love with being in the animal care environment.

When she’s not working at CHVH she is helping to rescue animals and volunteers with several local rescue organizations, works with her husband in real estate, kayaking, gardening, and spending time with her 2 adult sons.


Avery Rogers, Registered Veterinary Nurse & Hospital Manager

Avery Rogers is a Registered Veterinary Nurse who has been employed in the veterinary medical industry throughout the St. Louis area since February of 2008. Upon graduating from Sanford-Brown College – Fenton in 2009, she has worked in private companion animal medicine, emergency medicine, and most recently shelter medicine.

Her interests include anesthesia/surgery, dentistry, and radiology. In the summer of 2017, Avery volunteered at the St. Louis Zoo Veterinary Hospital and assisted the nurses there with procedures on a wide variety of species.

Avery lives with her husband Dave and daughter, Twila. She has a sassy tortoishell named Dee and an English Bulldog, Chuy – the sweetest girl in the world. In her spare time, Avery loves to collect bones, read books, and tend to her growing collection of indoor plants.
Avery is excited to be a part of Cherry Hills Veterinary Hospital and strives to deliver compassionate and progressive veterinary medical care to the entire community.

Abbi Ryerson, Registered Veterinary Nurse

Abbi has always loved people and animals so it only made sense to find a career where she could work with both. Graduating from vet tech school in 2011, Abbi has worked with small animals, large animals , emergency and therapy.  Abbi says Therapy is where her heart felt the connection with passion.

Abbi’s main goal is helping pets have a chance to continue a long happier life whether that is from injury, health reasons, or lack of time for exercise.

Abbi is a mother of two children Brylee and Jerren where they love following in their mother’s footsteps for the love of animals. Abbi has three big dogs at home Rex , Koda , and Moose. Abbi’s house is very crazy sometimes but she loves it.


Julia Levy, Veterinary Nurse

Julia grew up in the Florissant area and has loved animals from the very beginning of her life! Growing up Julia had all sorts of pets…rats, hamsters, dogs, cats & horses. Julia knew she wanted a career with animals so she attended the Vet Tech program at Hickey School. Before joining the CHVH team in 2021, she worked at other vet hospitals and was Manager at St. Louis dog Butler. Not only does Julia assist our veterinarians in providing high quality care to our patients but she gives authentic love and joy for all. When she’s not at CHVH, Julia is home with her 2 cats, Penny & Puddles and dog, Prue and soon she will be spending time being a mom to her son.


Cricket, Reception (aka Donna Riehlman)

Cricket has always had a passion for animals and while growing up brought home strays with the hopes of keeping all of them. She was born and raised in Kentucky and became active in creating a local SPCA. Through determination and hard work, their group was able to raise the funds to build a much needed animal shelter. In 1981 she moved to St. Louis with her family, worked in a local insurance agency for 30 years and is now happy to be working as a receptionist at Cherry Hills Veterinary Hospital.


Linda Van Meter, Reception

Linda is from Sunset Hills, MO but now lives in Florissant with her husband of 7 years. Together they have too many cats and wish for a pug someday soon! Linda has worked as a veterinary assistant, receptionist and in several other positions over the years within the St. Louis area. She has always loved animals and had many growing up. She enjoyed keeping them healthy and “tail-wagging” happy. What she loves most about her job is meeting and greeting all of the cute, furry friends and their parents. She also enjoys learning all the new ways to help care for those “furkids”. She enjoys spending her free time with her husband and snuggling with her kitties. She wouldn’t have it any other way!


Brooke Leonard, Veterinary Assistant/Reception

Brooke is one of Dr. Leonard’s daughters. She currently attends The Fulton School. Brooke works as a receptionist as well as a vet assistant.  Outside of work, she practices basketball, and volleyball. Brooke is looking forward to meeting new clients and patients at Cherry Hills Veterinary Hospital!


Lily Leonard, Reception

Lily was born in Upstate New York on November 30, 2007. She is another daughter of Dr. Leonard’s. Now she lives in St. Louis and attends school at The Fulton School at Saint Albans. Lily is a receptionist at Cherry Hills Veterinary Hospital and can’t wait to meet new dogs and cats!


Sarah Saak, Receptionist

Sarah was born in St. Charles, MO but started moving around the country when she was only 3. Her passions growing up were playing sports and working with animals. She volunteered at local vet offices and humane societies. In 2005, at the age of 19, she started working at a veterinarian’s office in Texas. She moved back to MO in 2010 where she continued working in the vet field. She started with us

in 2021. She has an Associate’s Degree in Business Management from St. Louis Community College. She is happily married, has one young son, and one young, big Great Dane. In her spare time, she enjoys attending rugby games with her husband, going to the movies, and she loves to read.

Maddy Hollis, Veterinary Assistant

Maddy is currently attending Eureka High School. Throughout high school she has been involved in Volleyball, Student Council, HOSA, and NHS. She has always had a passion for animals. Throughout her life she has had many pets such as dogs, cats and chickens. Right now her family has 2 dogs, Snowball and Lily, and 3 cats Peter, Sam, and Binx. In her free time, Maddy spends time with her animals and family, reads, plays the piano, and listens to music. Maddy hopes to work in the science field in her future! She is super excited to be a part of the CHVH team and to be learning so many new things!


Melanie Walukonis, Veterinary Assistant

Melanie grew up in St. Louis and graduated from Rockhurst University in May 2020 with a Bachelor of Science in Biology and Biomedical Physics. Because animals are her lifelong passion, she has always worked with them in some capacity. She has volunteered at the Wildlife Rescue Center as well as worked with several animal daycares, rescues, and veterinary hospitals previously. Working in the veterinary field is the perfect fit for her! She currently lives in St. Peters with her dog, Milo, and her cat, Alfie. Melanie is excited to continue to grow within the veterinary field and be a part of the wonderful community here at Cherry Hills Veterinary Hospital.


Noah Nikolaisen, Veterinary Assistant/Reception

Noah is currently a senior at Rockwood Summit High School. He has been involved in Boys Volleyball, Chamber Orchestra, Student Council, and National Honors Society. In the fall of 2022 Noah will begin college at University of Missouri – majoring in health and sciences. He just applied to Mizzou’s Early Acceptance Vet Program. Hoping to become a veterinarian while also specializing in oncology.

Noah first started as an intern at Cherry Hills Veterinary Hospital in the summer of 2021 and was then hired as a permanent part of the team. He works both the front desk and treatment area as an assistant. When he is out of work Noah loves to cook/bake, play the guitar and spend time with his friends and family. As of right now Noah has one dog, Mako. Through the entirety of his life, he has had many animals: five fish, four dogs, three hermit crabs, and one cat. Always happily available to take in any animal of need! Most importantly Noah is more than excited to join the staff learning so much about the veterinary field, while also in an amazing work environment.


Amanda Frank, Veterinary Assistant

Amanda grew up in St. Louis and has always had a strong passion for animals large and small. While she did play soccer and volleyball, Amanda found her true dedication at the barn managing the care for animals of all types. She is an accomplished equestrian with years of experience caring for animals. She graduated from Lafayette High School and attended STLCC.

Amanda is very excited to bring her passion and care for animals to Cherry Hills Veterinary Hospital as a veterinary assistant and looks forward to meeting your furry family member!

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