Neurology and Neurosurgeon


Dr. Rainier Ko, DVM, MS, DACVS-SA, DACVIMBoard-Certified in Neurology & Neurosurgery
Board-Certified in Small Animal Surgery
Born in Montreal, Canada, Dr. Rainier Ko completed his biology undergraduate degree at McGill University. He earned his Doctorate of Veterinary Medicine degree in 2000 from the University of Montreal. Following his internship at the Angell Memorial Animal Hospital in Boston, Dr. Ko returned to his veterinary college in Montreal as a laboratory instructor in small animal anatomy and applied surgical anatomy.

He then completed a residency in small animal surgery and a three year Master of Science degree at Purdue University, Indiana in 2005. Dr. Ko spent three years as a staff surgeon at Alameda East Veterinary Hospital and starred on Animal Planet’s popular television series “E-Vet Interns”. Following this, he returned to Purdue University in 2008 as an assistant professor in small animal orthopedics and neurosurgery.

Dr. Ko received board-certification in small animal veterinary surgery in 2007. After he completed a joint neurology residency at Colorado State University and Wheat Ridge Animal Hospital in Denver, he became board-certified in neurology in July of 2014.

This formidable accomplishment distinguishes Rainier as one of only seven individuals worldwide with double-boarded certification in veterinary neurosurgery. His expertise, thoroughness, and strong bond with his patients-clients have earned him numerous teaching and clinical awards, including CACVT “Colorado Veterinarian of the Year” in 2012.
His special interests include neurosurgical oncology (brain and spinal cord tumors, vertebral replacement), vertebral implantology, congenital spinal deformities, and electrodiagnostics.

In his spare time, Dr. Ko enjoys rock climbing, hiking and the company of his three dogs, Rowdy, Hope and Cricket.


Dr. Edmund Leigh, DVM,DACVR

Dr. Edmund Leigh, DVM,DACVRDr. Leigh began his career as a geologist working on civil engineering projects in Vermont and Colorado but eventually made his way to Alaska exploring for gold.

After several years Dr. Leigh returned to school to pursue his childhood dream of becoming a veterinarian. He earned his DVM with honors from Colorado State University in 2001 and then completed a one year internship in small animal medicine and surgery at the Animal Medical Center in New York City. Dr. Leigh returned to Colorado and practiced small animal medicine in the Denver area for two years before being accepted into the radiology residency program at North Carolina State University.

He completed his residency training and became board certified by the American College of Veterinary Radiology in 2007. Dr. Leigh worked briefly as a veterinary radiologist in Raleigh, North Carolina before moving back to Colorado and founding Rocky Mountain Veterinary Imaging in 2008. Dr. Leigh’s professional interests include small animal abdominal and musculoskeletal ultrasonography, computed tomography and magnetic resonance imaging of the brain and spine.

Dr. Leigh lives in Palmer Lake with his wife and son. He also shares his home with a Labrador retriever, a Border Collie mix and a geriatric cat. When not working he enjoys time with his family, mountain biking, skiing and hiking.

Check back with us Summer of 2017 to see what new specialty we will be adding!

Internal Medicine

Dr. Brianna Backlund, DVM, DACVIM

Dr. Brianna BacklundDr. Brianna Backlund is an internal medicine specialist from Seattle, Washington that has relocated to join us here at Powers Pet Emergency and Specialty. Dr. Brianna Backlund is available for consultation and management
 of patients with complex problems such as immune mediated diseases, endocrine, renal, gastrointestinal, and hepatic diseases. She is a skilled endoscopist and provides bronchoscopy, rhinoscopy, cystoscopy, and endoscopy services at Powers Pet Specialty and Emergency Hospital. Dr. Backlund’s interests in internal medicine include a focus on immune mediated disorders such as immune mediated hemolytic anemia, immune mediated thrombocytopenia, and immune mediated polyarthritis, gastrointestinal disease management (IBD, gastrointestinal lymphoma), renal (chronic renal failure) and hepatic diseases (chronic active hepatitis, other inflammatory or infectious hepatobiliary diseases).

Diplomate, American College of Veterinary Internal Medicine-Small Animal Internal Medicine
Residency, Internal Medicine, Texas A&M University – College of Veterinary Medicine, College Station, Texas
Internship, Small Animal Rotating Surgery, Virginia Tech, Blacksburg, Virginia
Doctor of Veterinary Medicine, Washington State University – College of Veterinary Medicine, Pullman
Bachelor of Arts, French Language and Literature and Psychology, University of Washington, Seattle

Off Duty:
Dr. Backlund enjoys spending time with her family, running, and spending time outdoors enjoying the natural beauty of Colorado.