Meet Our Greenland Veterinary Staff

At our veterinary hospital, our Greenland veterinary staff is committed to assisting our veterinarians as they help pets down the road to wellness. They’re also dedicated to providing clients with exceptional customer service. If you have any questions about our team, feel free to let us know.


Certified Veterinary Technician/Practice Manager

Linda has been a certified veterinary technician for over 35 years, earning in a degree in 1982. During that time, she has worked in private and corporate practices, and joined Greenland in May 2016. Linda has volunteered her time over the years at many rabies vaccine clinics and rescue organizations. She also traveled out of the country several times to participate in spay/neuter clinics. In her down time, she enjoys cooking, outdoor activities, wildlife watching, and spending family time with her husband, daughter, and rescue dog.

Linda Petersen "Petey"

Client Care Specialist

Petey resides in the Seacoast area with her wife and two dogs, Hayley and Henry. She loves animals and owned dogs and cats while growing up in New York. Prior to joining us, Petey worked in the sporting goods industry for 23 years. When she is not spending time with family, she occupies her time by playing ice hockey, basketball, and running 5Ks. Petey also has a passion for photography and a small business, PTphoto, which takes up any other spare time she might have.

Christopher Mawby

Lead Veterinary Technician, Inventory Manager

Christopher is a certified veterinary technician and graduate of the Veterinary Technology Program at Great Bay Community College. When he’s not working, he enjoys hunting, fishing, and most other outdoor activities with his Chesapeake Bay retriever named Ducky. 

Olivia Chasse

Client Care Specialist

Olivia graduated from the University of New Hampshire in 2010 with her bachelor’s degree in animal science. She has been working at Greenland Veterinary Hospital since February 2015. Olivia spent nine years in Saudi Arabia where she rescued and rehabilitated animals, including birds, hedgehogs, reptiles, rabbits and cats. In her spare time, she enjoys riding her horse, Colby, and volunteering at veterans’ events and a local hospital with her certified therapy dog, Benjamin. Olivia and her husband, Kegan, also have two rescued cats, Mya and Sylvie, as well as a rescued border collie named Shelby whom Olivia loves doing agility with.


Customer Service Manager

Johanna is our customer service manager and has been with Greenland Veterinary Hospital since 2015. She has always loved animals and knew she wanted to work with them at a very young age. After a short stint in veterinary medicine in high school, Johanna worked in upper retail management for several years. She finally decided it was time to make a change and pursue her dream to work with animals once again. Johanna has a soft spot for animals and enjoys seeing the relationships they have with their owners. Outside of the clinic, she shares her home with her son, Andrew, and her three furry children Autumn, Brady, and Jasmine.

Krystin Dredge

Veterinary Technician

Krystin has over 10 years of experience in the animal care industry at various hospitals here on the seacoast. She comes to us from the Pet Clinic of Portsmouth. Krystin has been a dancer since she was 3 years old and keeps her dance skills sharp by teaching tap, jazz, and ballet to children at Joyce Dance Studio in Eliot. She shares her home with her Lhasa Apso named Harry and her two cats, Willy and Kitty Kitty.