Dr. Allan Berrington

Dr. Allan Berrington had his beginnings in Portage la Prairie, Manitoba, obtained a Bachelor of Science degree from the University of Winnipeg and graduated from the Western College of Veterinary Medicine in 1986. After 3 years in private practice in a small animal hospital in Port Colborne, Ontario he returned to WCVM to complete a non thesis master degree in clinical pathology in 1992. Allan obtained diplomate status with the American College of Veterinary Pathologists the same year and moved to British Columbia to accept a position of associate pathologist at Central Laboratory for Veterinarians Ltd. where he worked until 2006. In 2008, Allan along with Dr. Jim Bilenduke helped start True North Veterinary Diagnostics Inc. Past time interests include cycling, golf, snorkelling, scuba, and, well a picture speaks for itself. 


Dr. Jim Bilenduke

Dr. Jim Bilenduke was born in Dauphin Manitoba but moved to British Columbia at age 5, spending most of his formative years in the beautiful Pemberton Valley just north of Whistler.  After 2 years at the University of Manitoba acquiring prerequisites he was accepted into WCVM and graduated from vet school in 1986.  Jim spent three years in private practice in Calgary and Toronto as an emergency veterinarian and returned to pursue a non-thesis master of veterinary science in clinical pathology at WCVM in 1989.  After completing his MVSc in 1992 he joined Central Laboratory for Veterinarians to help start and manage the Calgary branch of the lab, also achieving certification with the American College of Veterinary Pathologists in 1993.  Jim continued as manager and associate pathologist at CVL Calgary until 2002 when he transferred to the Langley laboratory in order to be with his soon bride to be, Dr. Margie Scherk, continuing with CVL until 2006.  In 2008, he and Dr. Allan Berrington helped start True North Veterinary Diagnostics.  Jim enjoys hiking, craft beer and carrying his wife's suitcase as she travels around the world lecturing in feline medicine.  


Dr. Kristyna Musil

Kristyna is originally from Winnipeg Manitoba. She completed a BSc in Science at the University of Manitoba before starting her DVM at the Western College of Veterinary Medicine. Following completion of her DVM in 2011, Kristyna decided to pursue her interest in clinical pathology. She completed her residency and ACVP certifying examination in 2014, and joined True North Veterinary Diagnostics shortly thereafter. In her spare time Kristyna enjoys hiking with her two dogs Crimp and Rock.


Dr. Delphine Guldner

Delphine grew up in France and went to Belgium to study veterinary medicine. She obtained her DVM in 2009 at the FMV in Liege. She continued with a small animal rotating internship the next year and started working on a research project in Brussels while being a teacher’s assistant for vet students the following two years. She flew to Australia where she also had a teacher’s assistant position for biomedical and vet students in North Queensland until she obtained a clinical pathology residency at Washington State University in 2013. She completed her masters’ thesis in veterinary science at WSU in 2016 and joined TNVD in January 2017. She is a nature lover and outdoor enthusiast.


Consulting Pathologists


Dr. Sally Lester

Dr. Sally Lester received her DVM with distinction from Washington State University in 1967 and then received her Master of Veterinary Science from the University of Saskatchewan in 1979. She is a Diplomate in the ACVP in Anatomic and Clinical Pathology. In 1982 she helped to establish Evergreen Professional Services (Veterinary laboratory), in Kirkland Washington and at the same time Central Laboratory for Veterinarians (CLV) in Langley BC. She worked with both laboratories until 1985, and was a director and CEO of CLV from 1982 to November 2006. Dr. Lester is now the Director for the laboratories at Pilchuck Veterinary Hospital and its other specialty hospital, Seattle Veterinary Specialists. She is also a consultant for Phoenix Central Laboratory for Veterinarians.  Dr. Lester  has been a consulting pathologist for True North Veterinary Diagnostics since its conception in 2008. Other professional activities include Assistant Editor for the Feline Medicine Journal and the Canadian Veterinary Journal as well as Scientific Reviewer for the American Journal of Veterinary Research. She has two sons, one an equine surgeon at Pilchuck Veterinary Hospital and the other a feline practitioner at All About Cats, both in Washington state.


Dr. David Gribble

Dr. David Gribble earned his DVM from Washington State University in 1962 and his PhD in veterinary pathology from the University of California at Davis in 1970. A member of theACVP since 1969, he was honored as a Distinguished Member of the ACVP in 2009. David served on the faculty in veterinary pathology for 15 years before returning to his native Mt Vernon, Washington where he has been and continues as a consulting pathologist to local and international diagnostic laboratories including Central Laboratory for Veterinarians (until 2006), and currently Nova Pathology and True North Veterinary Diagnostics.




Dr. Julie Armstrong

Julie was born and raised in Victoria BC. Following graduation from the Western College of Veterinary Medicine (WCVM) in Saskatoon, 1996, she joined Veterinary Specialists of Hartford, Connecticut for a one-year internship. She completed a three-year residency and MVSc program in small animal internal medicine back at WCVM from 1997-2000. She became a board-certified internal medicine specialist in 2000. Shortly after finishing her residency she received a clinical position within the small animal medicine department at the Ontario Veterinary College, University of Guelph. In 2004 she joined Medi-Cal/ Royal Canin as an Internal Medicine/Nutrition consultant and research associate. After eight years in Ontario, she and her family moved to British Columbia where she joined Boundary Bay Veterinary Specialists in her capacity of Internal Medicine Specialist prior to joining True North Veterinary Diagnostic Services in 2011. Julie has always had a keen interest in clinical pathology and jumped at the opportunity to explore this interest further as part of the True North Team. Julie is passionately aware and reminded daily of the joy and love our canine and feline family members bring to our lives.