Anick Amaro

Anick is originally from Mississauga, and attended McMaster University for Life Sciences. Shortly after graduating, she moved to Ireland to obtain a veterinary degree from the University College Dublin. Anick previously worked at the Georgian Triangle Humane Society located in Collingwood, where she developed a strong interest in surgery. Anick joined Thornbury Veterinary Hospital in 2022 to undergo orthopedic surgical […]

Donna Di Gregorio

Donna graduated from the University of Edinburgh in Scotland in 2016. She loves all medicine but as a self-professed cat lady she especially loves feline medicine. She lives in Collingwood with her husband and her cat Slim. When she’s not in the clinic you will find her on the golf course or reading a good […]

Rylee Sampson

Rylee along with her entire family all grew up in the Georgian Bay Area. Making her realize she will always want to work and play here. After studying Project Management at the University of Toronto and having a life long passion for animals it led her here, to the Thornbury Veterinary Hospital. When not at […]

Andrea Onn

Andrea grew up in North Toronto working in restaurant management for over a decade, and moved to Clearview Township in 2015. She lives with her husband and their two holland lop bunny’s Nauvoo and Rocinante. She enjoys traveling, camping and working in her veggie garden in her spare time.

Kendel Sampson

Kendel graduated from the Veterinary Office Administration program at Ridgetown College in 2014. She started her career in a veterinary hospital in Sarnia but has relocated back to the Thornbury area to be closer to family. Kendel has a love for all kinds of animals from rodents to horses, but she has a soft spot […]

Rachel Foster

Rachel grew up living on a dairy farm with her parents and two sisters. She has always been passionate about caring for and healing animals. She graduated from the Veterinary Technology program at Ridgetown College and became an RVT in 2019. In her spare time, she enjoys spending time with her cat and playing her […]

Karen Mansell

After working in the corporate sector for many years, Karen decided to trade in her suits and moved to Collingwood with her husband, son, and Great Dane. Her love of animals brought her to TVH, where every day she enjoys interacting with staff, clients, and patients.  Her goal is to ensure that the client/patient experience […]

Dawn Barr

Dawn is an artist and loves nature.  She is the proud mother and shares her home with 2 dogs, 4 cats and her husband.  She enjoys interacting and getting to know clients and their furry families. 

Dr. Becky Holvik

Dr. Becky Holvik decided to become a veterinarian when she was a small child on her family’s hobby farm because of her love for horses and goats, the smell of all the medicines in the truck and because the veterinarian knew everything.  Many years later she graduated from the Ontario Veterinary College with the Class of […]

Dr. Nici Haessler


Nici graduated from the Ontario Veterinary College in Guelph in 2001, fulfilling a childhood dream of becoming a veterinarian.  She has been practising veterinary medicine for the past 14 years with a particular interest in surgery.  She moved from Guelph to Thornbury in 2002 seeking outdoor activities and a small town lifestyle.  Her faithful running […]