The Team


Veterinarians

Dr. Heather White
Veterinarian
Dr. Heather White graduated from the Ontario Veterinary College and has practiced for over 30 years. Dr. White continues to enjoy the practice of veterinary medicine, especially the relationships built with many long term clients.
Dr. John Valsamis
Veterinarian
Dr. John Valsamis received his B.Sc. and D.V.M. from the University of Guelph. Since graduating from the Ontario Veterinary College over 30 years ago, Dr. Valsamis has practiced the medicine and surgery of dogs, cats, birds and exotics. His main focus has been in exotic animal medicine and surgery.
Dr. Urszula Korolczuk
Veterinarian, H.B.Sc.
Dr. Urszula Korolczuk has been drawn to animals ever since she can remember. After graduating from the University of Toronto with a degree in Zoology, Dr. Korolczuk obtained her Doctor of Veterinary Medicine degree from the University of Guelph’s Ontario Veterinary College in 2011. She has since worked in the GTA and surrounding area. She shares her life and home with her husband, their lovely standard poodle "Lucy", their ball python "Eve", and their falconry birds.
Dr. Matt Tommasini
Veterinarian, DVM
Dr. Kiana Parsaie
Veterinarian, DVM
Dr. Heidi Spahany
Veterinarian, DVM

Veterinary Technicians

Carley
Veterinary Technician, H.B.Sc.
Carley graduated from the University of Toronto in 2003 with an Honours Bachelor of Science, with a double major in Biology and Psychology. She has been part of our team since July 2003. She contributes to many aspects of the hospital, as an on the job trained Veterinary Technician, groomer and with administration. She has special interests in exotic pet health, grooming, canine/feline dentistry and client education. On her days off she loves to spend time with her family. Carley also has two cats, “Willy” and “Shya”.
Fiorella
Registered Veterinary Technician
Fiorella was born in Peru and came to Canada to complete her Veterinary Technician course, graduating from Sheridan college in April 2023. Her family bred horses and dogs, so from a young age, Fiorella had a love for all animals. She also attended a Dog Assisted Therapy program in Spain. During her free time, she loves to spend time with her Golden Retriever, Wayra.
Amber
RVT

Receptionists

Emilie
Emilie joined our team in December 2023. She graduated from the Animal Care program at Sheridan College in 2021. Prior to joining Britannia Animal Hospital, she gained valuable knowledge at other clinics, interning at farms, teaching at a reptile zoo, and volunteering at a cat rescue (with a particular fondness for the senior cats). In her free time, she enjoys watching movies and continuing to volunteer. She currently resides with her fiancé and a household of pets consisting of two mice, two leopard geckos, a Pacman frog named Lilium and a sharpei dog named Uno.
Gloria
Receptionist
Gloria joined our team in 1995, after gaining experience in the veterinary field at another clinic. In her personal life she boasts a home with a rescued bearded dragon named “Pikachu” and a labradoodle named “TyBo”. “Luna”, a sweet young cat, is the newest addition to her family. She truly enjoys coming to work daily.
Andrea
Brenda

Veterinary Assistants

Jessica
Veterinary Assistant
Jessica started at Britannia Animal Hospital as a co-op student in April 2023. She graduated from the Animal Care program at Sheridan College in April 2023 with the aspiration to become a registered veterinary technician. Jessica loves working with animals and has two dogs of her own, Marley and Winnie.
Madelyn
Veterinary Assistant
Madelyn is currently at University of Guelph studying Zoology. She loves all types of animals and hopes to make a difference in the future protecting our wildlife. She has a 10 year old dachshund named Dash who she loves to cuddle and watch movies with!
Natalie
Veterinary Assistant
Natalie is currently studying at the University of Guelph for her Bachelor of Science with aspirations of becoming a veterinarian. She has been with us since 2018 and has a sassy Scottish fold named Pookie. In her spare time, she enjoys going for hikes, camping, and traveling.
McKenzie
Meher
Veterinary Assistant
Kayden
Sheanne