Doctors & Staff

Our team at Sierra Ranch Veterinary Clinic & Pet Rehabilitation Center maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training. 


Rebecca Williams, DVM, Medical Director

Dr. Williams completed her undergraduate studies at Cal Poly San Luis Obispo with a BS in Animal Science. She was accepted into and completed her veterinary medical degree from Western University of Health Sciences School of Veterinary Medicine. Dr. Williams immediately began to practice veterinary medicine at an emergency hospital in the Bay Area where she gained a vast amount of experience of veterinary emergency medicine. When job opportunities became available, she transitioned to Placer County working general practice and emergency. Her professional interest includes emergency, internal medicine and ophthalmology. Outside of veterinary medicine Dr. Williams is kept busy raising her two sons with her high school sweetheart. She enjoys skiing, running, yoga, and spending time with her Australian Shepherd, Comet.

Christina Venable, DVM, cVMA

(Picture coming soon!)

Dr. Christina Venable (AKA Dr. V) completed her veterinary degree at UC Davis. Since graduating, she has developed a great interest in treatment options other than another pill or another shot. This desire for a different, integrative approach to medicine led her to complete her certification in Medical Acupuncture through the Curacore MAV program at Colorado and in Companion Animal Pain Management through the University of Tennessee. For Dr. V, finding new ways to treat patients never stops. She is currently pursuing further certification in pain management through the International Veterinary Academy of Pain Management and in Animal Rehabilitation through the University of Tennessee. 

Practice Manager:

Brie Manitta, RVT

Brie, our Practice Manager and Registered Veterinary Technician has been working in the veterinary field for the past 15 years and has been a Registered Veterinary Technician for 10 years. She has worked in general practice and emergency. Her special interests are dentistry, general wellness, and emergency and critical care. Five years ago, she had the opportunity to advance her career and become a Practice Manager. She prides herself in providing an open-door policy and unwavering respect to team members and clients. She is a positive and outgoing person who strives to learn from each of her experiences. She had the privilege of working with Dr. Rebecca Williams previously and that is how she has found her way to be apart of this team at Sierra Ranch! Outside of work, Brie is busy being a wife and a mom of two. She loves to ride mountain bikes and horses. She enjoys spending quality time at home with her 2 dogs (Gus, the Chiweenie and Taylor, the poodle) and her family. If she isn’t at work, she is most likely shopping at target or being a homebody with her family! 

Customer Service Representatives:

  • Lizzie
  • Bobbie


Patient Liaison:

  • Larissa


Technical Team:

  • Gabe, RVT
  • Amber S., CVA
  • Andrea, CVA
  • Amber A.
  • Destaney
  • Tara                                                                                                                                                                       

Rehabilitation Team:

Cathy, CCRP, RVT

Cathy is originally from the Fresno area. She graduated from Western College of Allied Health Career in Sacramento, California in 1981 as a Registered Veterinary Technician. She has since worked in daytime, emergency medicine, and critical care hospitals. She was an instructor at San Joaquin Valley College for the Veterinary Technician Program for two years. She also worked as a surgery coordinator for the Central Valley from 2004 to 2014. In 2004, she completed her BA in Management and Organizational Development at Fresno Pacific University. She then went on to complete her Certification in Canine Rehabilitation at the University of Tennessee in 2007. Currently, Cathy is the lead Canine Rehabilitation Practitioner for UC Davis Veterinary Teaching Hospital.

Rehab Technician Team:

  • Dylan
  • Monique
  • Destaney
  • Andrea




Chief Editing Officer

  • John W.