Dr. Scherk graduated from the Ontario Veterinary College in 1982. In 1986 she opened Cats Only Veterinary Clinic, in Vancouver, Canada - the third feline clinic in North America. She became a board-certified feline specialist the first year this specialty became available and has maintained this certification. Since 2008, she has been a consultant and an educator speaking internationally and teaching online.  

She co-edited the Journal of Feline Medicine and Surgery for 23 years. Margie has served extensively in the American Association of Feline Practitioners and other veterinary organizations.  Her interests include all things feline, especially analgesia, seeing an end to declawing, the peculiarities of the feline digestive system, and enabling more positive interactions with cats.

She shares her home with her husband Jim, misses her adult children, loves to cook, and is allowed to serve her cat, Jules.