Meet Our Dedicated Team!

Meet the Veterinarians & Team of Companion Pet Care of Littleton! We’re pleased to provide exceptional vet care for your pets! Our awesome team consists of three doctors, two technicians, two customer service representatives, a veterinary assistant, a staff supervisor, and a veterinary consultant. on staff to care for you and your pets.

Please call us at 603-444-0600 to speak to one of our caring veterinary staff members!

Billie K. Winter
Owner & D.V.M

Dr. Billie is the owner of Companion Pet Care. She graduated from the Kansas State University College of Veterinary Medicine in 2001. Prior to that, she earned a BS in Chemical Engineering from the University of Oklahoma and a PhD in Bioengineering from the University of Washington.
She did cancer research for several years before deciding to become a veterinarian. She has special interests in oncology and feline medicine, but she loves working with dogs and other small mammals, too!

Dr. Winter and her husband live in Vermont, and have two children  (Will and Anna), three dogs, eight cats, two parakeets, two guinea pigs, and numerous tropical fish.  In her spare time, she plays clarinet with the St. Johnsbury Town Band and the Northeast Kingdom Community Orchestra as well as playing the piano and occasionally directing the choir at Christ the Redeemer Lutheran Church in Barre. Dr. Winter loves to design and make jewelry, is fond of knitting and crocheting, and reads novels whenever she has a chance. She also spends lots of time chauffeuring the kids to all their lessons and sporting events!

Joe Casciari
Consultant & Co-Owner

Joe is the co-owner of the practice and Dr. Winter’s husband. He serves as a business consultant for CPC, in addition to teaching math and science courses for community colleges in New Hampshire and Vermont. In what little spare time he has left, he enjoys taking care of the kids, riding his motorcycle, learning the bass guitar, and playing computer role-playing games.

Eva Goetz
D.V.M

Dr. Eva is originally from the Midwest, but went to vet school in New Zealand. After receiving her Bachelor of Veterinary Science (BVSc) from Massey University in 2008, she worked briefly in Ireland and England before returning to the U.S. She initially worked at the emergency clinic in Littleton, but after starting her family, she traded night shifts for day shifts at Companion and has been a part of the team since 2013. Her professional interests are soft tissue surgery and ultrasound.

Outside of Companion, Dr. Eva enjoys spending time exploring the outdoors with her family, trail running with her Border Collie, and talking the ear off anyone who asks for veterinary advice.

Anne Hansalik
D.V.M

Dr. Anne has been with us since February of 2009 on a weekly and relief basis. She graduated from the College of Veterinary Medicine at Texas A&M in 1985, and has practiced extensively in Texas and New Hampshire. Dr. Anne lives in Sugar Hill with her husband and dogs, Crockett and Lady.

Becky Proud
Staff Supervisor

Becky is the senior member of our technical staff and is our Staff Supervisor. She has been with us since 1996. In fact, she was on hand the day we first opened our doors in Littleton. Becky is regarded by her peers as the ‘MVP of CPC’. When she is not working she enjoys spending time with her animals and hanging out with friends and family.

Allison Hall
C.V.T

Allison joined our team in the spring of 2014. Her bright and bubbly personality is hard not to love. After graduating with a bachelor’s degree in Veterinary Technology from Mount Ida College in Newton, MA, she obtained her veterinary technician certification and started her career in Southern New Hampshire. She and her husband, Rob, now live in her hometown of Groveton, NH with their two cats, Rukia and Bya, and dog, Bing. She enjoys exercising, practicing a healthy lifestyle, and reading.

Jen Kierstead
C.V.T

Jen joined the team in 2005 after graduating from Becker College in Leicester, MA with a associate’s degree in Veterinary Technology. She obtained her veterinary technician certification while starting her career at Companion Pet Care. She loves her role as a technician, but in the last few years has also served as part of the management team. Her special interests at work include staff or client education and patient care. Outside of work, she enjoys snuggling with her two cats Harley Quinn and Maple, and her dog Parsley.  She can also be found hiking, biking, and camping with her husband and three children.

Marianne O’Loughlin
Veterinary Assistant

Marianne completed her education at the University of Maine in 2014 earning a B.A. in Environmental Interpretation. After gaining experience in the Veterinary field she joined our team in 2017 as a veterinary assistant. Marianne’s passion is animal behavior and she is working to become a credentialed trainer. She is a member of the International Association of Animal Behavior Consultants (IAABC) and the Association of Professional Dog Trainers (APDT). Her skills as a veterinary assistant and her spirited and outgoing personality make her a valuable and much loved Companion Pet Care team member. In her downtime, she enjoys spending time outdoors with her beloved dog Sansa.

Jackie Williamson
Customer Service Representative

After moving to New Hampshire from Cape Cod with her husband Patrick and daughter Hannah, Jackie joined our team in the summer of 2004. Our Jackie-of-all-trades has become an indispensable part of our Customer Service team and our clients love and are comforted by her friendly and supportive disposition. When she is not at work, she enjoys photography, nature, and spending time with her daughter. She lives in Twin with her husband and two cats, Puck and Squeaks.

Sydne Emerson
Customer Service Representative

After growing up in Littleton, Sydne’s love for horses inspired her to become a trail guide in the Franconia area and achieve a Bachelor’s of Applied Science in Equine Science and Management. After finishing her degree in New York, she continued her equine work locally. Even though working with horses is still her passion, she decided to try something new and joined our Customer Service Team in the fall of 2018. Sydne’s bubbly and welcoming personality has been a great addition to our Companion Pet Care family! When she is not working, she is spending time enjoying outdoors with her significant other, Forrest, and her dog, Remmy.