Our Team

The staff and doctors of VCA Greenback would like to welcome you to our practice! We look forward to meeting you and your furry family members.

Our experienced staff believes in teaming with our clients to provide the best possible care for our patients. With a team that is deeply rooted in Sacramento County, we understand the health issues facing your pets and our knowledgeable, compassionate veterinarians will help you make the informed choices for your pet's care by offering thorough explanations, recommendations, and advice.

At VCA Greenback, we welcome our clients, both new and long-term, to come in for a tour of our beautiful hospital to meet our staff and veterinarians. We know your pets are a part of your family, which is why we treat them like they are a part of ours!

paw Team Spotlight
Katherine Olson
DVM Medical Director

Dr. Katherine Olson is a California native who grew up in the foothills of Placerville. She grew up on a small family farm and started working as a veterinary technician in Fair Oaks while attending college. Because of her love for the outdoors, she obtained an AS degree in Forestry at American River College, followed by a BS in Biology at Sacramento State. She obtained a position working in a prenatal lab before finishing her professional education through Ross University School of Veterinary Medicine in Saint Christopher and clinical training at Oregon State University Veterinary School.

Dr. Katherine Olson has...

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Joan Nicholas
Hospital Manager

Joan Nicholas started with VCA in 2001 as a Registered Veterinary Technician. In 2014 she became our Hospital Manager. Joan received her bachelor's degree in Business Communications and Organization at North Carolina State University, and her Associate's of Veterinary Technology in 2001 at Cosumnes River College. Throughout her career in veterinary medicine, she has always been most passionate about being the pets' advocate and creating a bond with the pet and client. In her personal life, Joan loves to travel and spend time with her husband, Tom, dog, Cosmo, and cats, Ocelot and Sprocket.


Our veterinarians are a team of highly trained individuals dedicated to the health and well-being of your pets. Explore our veterinarians' biographies and learn about the individuals who make our hospital an excellent choice for your pet's care.

Veterinarian Support

Our technicians and support team members are all gentle animal lovers who treat your pets with the compassion and respect they deserve. Explore our support team members' biographies and learn about the individuals who make our hospital such a good choice for your pet's care.


The hospital administration team consists of management personnel who oversee all staff members, hospital activities and the facilities. Together, they keep the hospital running smoothly, ensuring quality patient care and excellent client service. From the moment you check in, our administrative staff is here to deliver the best possible experience to you and your pet before, during and after your visit.

Client Services

We are committed to providing the best possible service and our Client Services team loves to exceed pet owner's expectations. Whether it's answering your calls, guiding you and your pet to the exam rooms or checking you in and out quickly, our Client Service representatives and Receptionists are dedicated to providing helpful client and patient support that raises the bar on customer service.
Come Care With Us
Our teams are united in our common purpose of taking care of the future of veterinary medicine.
Join Our Team