Meet Our Admin Team

Karen and Mary assist our vets with their administrative duties at our head office and are usually the first point of contact for our clients. Karen is also highly experienced, qualified trainer so she knows just the right questions to ask you when you call to make an enquiry. As well as manning the phones, our admin team work ‘behind the scenes’ to ensure that our vets receive all documentation before initial consultations, communicate with referring vets and trainers, and manage client accounts.

Karen Riddell

Karen Pryor Academy Certified Training Partner

Qualified Behavioural Trainer &
Veterinary Administrative Assistant

Karen is an experienced behavioural trainer who works in our office from Monday to Friday.

Karen’s love of dogs was in the family with her grandparents competing in Conformation and Obedience with their Weimaraners. Her grandfather gave her Dena, her very own Weimaraner and she started at the local dog club at 9 years of age. This was the beginning of a hobby that she has never grown out of and has turned into a profession.

Qualifications and Experience

Karen has completed Karen Pryor Dog Trainer Professional Course, and many online training courses including those run by Fenzi Academy, Silvia Trkman, and Dr Sarah Heath’s Cat Behaviour course run by the Centre for Veterinary Education. Karen has been to countless training conferences over the years organised by the APDT, PPG and Getting-to-Zero in order to keep her education up-to-date.

Karen is passionate about animal welfare and helping people to understand how their dogs are feeling and to facilitate improved communication between dogs and their people. She has worked in Behaviour at both RSPCA and Animal Welfare League NSW and has extensive experience with anxious dogs in the shelter and foster home environment.

Karen has lived with and competed in a variety of dog sports with several different breeds of dogs. Her dogs have attained Agility and Obedience titles and also placed in Agility in National, as well as at the Roya Easter Show. Her chihuahua Chad was the first Chihuahua in Australia to gain multiple Agility titles. Chad also starred as one of the dogs in the professional stage production of Chitty Chitty Bang Bang in Sydney where Karen was the handler and trainer of the 10 dogs in the production.


Karen adopted a rescue dog with an anxiety disorder and understands the amount of time and the emotional cost of helping these dogs to live their best lives. At 8 years of age, Nibbler is now a happy and integral part of Karen’s family and has come a long way from the puppy mill where he started life.

Other interests

Whilst dogs are Karen’s first love, she was also the inaugural President of the Australian Rodent Fancier’s Society of NSW and has judged Pet Rats at the Sydney Royal Easter Show. She currently shares her life with her husband, chihuahua and Belgian malinois which means that life is remarkably busy but lots of fun.


Mary Sekuloski

Diploma of Business (Human Resources)

Veterinary Administrative Assistant

Mary is an experienced office administrator, with over ten years of experience working in a busy corporate office prior to joining us at Pet Behaviour Vet. She works in our office on Tuesdays, Wednesdays and Thursdays.

Mary owns a bull terrier called Archie and an American staffordshire called Zara, both of whom are patients of Pet Behaviour Vet, so she completely understands what it’s like to have a pet who needs special help.