Our Doctors
Natalee Holt, DVM, DACVIM
Board Certified Internal Medicine Specialist
Dr. Natalee Holt is originally from the DC metropolitan area. She received her Doctorate of Veterinary Medicine from the Kansas State College of Veterinary Medicine.
Dr. Holt became board-certified in Internal Medicine in 2011, completed a one-year internship at the Colorado State University College of Veterinary Medicine and a three-year residency at Tufts University’s School of Veterinary Medicine. Dr. Holt loves all aspects of internal medicine, but has a special interest in gastrointestinal diseases and immune mediated diseases. Dr. Holt has done clinical research in a number of areas including diarrhea in pigs, coonhound paralysis, and gastric emptying in dogs.
Dr. Holt and her husband Jonathan share their home with Becca the dog, Jasmine the rabbit, and their three cats, Kitty, Clara, and Appomattox.
Dr. Holt is a member of the American Veterinary Medical Association (AVMA), the American Animal Hospital Association (AAHA), and the Veterinary Emergency and Critical Care Society (VECCS).
Catherine Reese, DVM, DACVS
Board Certified Surgeon
Graduating from Cornell University in 1991, Dr. Reese attended Tufts University’s School of Veterinary Medicine and graduated in 1995 with her Doctorate of Veterinary Medicine.
Dr. Reese completed an internship at Angell Memorial Animal Hospital in Boston in 1996, and then completed a small animal surgical residency at Cornell University in 1999. After her residency, she returned to Angell as a staff surgeon for almost 12 years, where she was Director of the Surgery Residency Program and trained over 30 new surgeons. She was board certified as a specialist in Small Animal Surgery by the American College of Veterinary Surgeons in 2001.
Dr. Reese is a member of American Veterinary Medical Association (AVMA), the Massachusetts Veterinary Medical Association (MVMA), and the Veterinary Orthopedic Society.
Michelle Posage, DVM
Director of Behavior Medicine Services, Veterinary Behaviorist
Dr. Michelle Posage holds a Doctor of Veterinary Medicine degree from Michigan State University, as well as a Bachelor of Science degree in Zoology with concentrations in neurobiology and animal behavior, also from MSU.
As a veterinarian with a practice exclusive to animal behavior, Dr. Posage accepts referrals from other veterinarians and animal professionals to treat serious behavior issues in dogs and cats. Dr. Posage has published her research on animal shelter adoptions in the Journal of the American Veterinary Medical Association and is a contributing author for the books, Shelter Medicine for Veterinarians and Staff and Mental Health and Well-being in Animals.
Dr. Posage is an adjunct instructor at the University of New Hampshire, Thompson School of Applied Science in Durham, NH and subscribers of the Nashua Telegraph newspaper enjoy her monthly pet column.
Dr. Posage is a member of the American Veterinary Medical Association (AVMA), the American Animal Hospital Association (AAHA).
- (Picture coming soon!)
- Dr. Marion Silk, DVM
Marion Silk, DVM
Emergency and Intensive Care
Dr. Marion Silk graduated from NCSU (North Carolina State University) with Bachelors in Zoology 1995. She received her Doctor of Veterinary Medicine Degree from NCSU School of Veterinary Medicine in 1999.
Dr. Silk completed a rotating small animal internship with a concentration in emergency, ophthalmology, and internal medicine at Greenbrier Veterinary Referral Hospital in Virginia Beach, VA from 1999-2000. Dr. Silk worked in general practice for 2 years then spent the last 8 yrs at OSVS, a Veterinary Emergency and Critical Care Referral Hospital in East Greenwich, RI, where she dealt with critically ill patients on a daily basis.
Having practiced in Virginia, Florida, Rhode Island, Massachusetts, and now New Hampshire, Dr. Silk has settled in Massachusetts with her husband and daughter.
Dr. Silk is a member of the American Veterinary Medical Association (AVMA), the American Animal Hospital Association (AAHA), and the Veterinary Emergency and Critical Care Society (VECCS).
Cecilie Westring, DVM
Emergency and Intensive Care
Following her graduation at Tufts, Dr. Westring completed a rotating small animal internship at VCA South Shore Animal Hospital in South Weymouth Massachusetts from 2010 to 2011.
Dr. Westring has a passion for emergency medicine and critical care. Licensed to practice veterinary medicine in both New Hampshire and Massachusetts, we are delighted to have her as a member of our staff at AMC.
Dr. Westring is a member of the American Veterinary Medical Association (AVMA) and the Veterinary Emergency and Critical Care Society (VECCS).
Kate Rydstrom, DVM
Emergency and Intensive Care
Dr. Kate Rydstrom, a native New-Englander, received her Bachelor of Arts degree from Johns Hopkins University in Baltimore, Maryland in 2005.
Prior to pursing her veterinary degree, Dr. Rydstrom worked as a research technician in the department of comparative medicine at MIT in Boston, Massachusetts. She was awarded her Doctor of Veterinary Medicine Degree from Western University of Health Sciences in Pomona, California in 2011.
Dr. Rydstrom enjoys all aspects of veterinary medicine, but is especially interested in emergency, cardiology, canine physical therapy, and sled-dog medicine.
Dr. Rydstrom is a member of the New Hampshire Veterinary Medical Association (NHVMA), the American Veterinary Medical Association (AVMA), the American Animal Hospital Association (AAHA), and the International Sled Dog Veterinary Medical Association (ISDVMA).
Erin Brandt, DVM
Emergency and Intensive Care
Dr. Brandt received her Bachelor’s degree in Biology in 2003 from Agnes Scott College in Decatur, GA. In 2007, she graduated as summa cum laude from the University of George in Athens, GA, with her Doctorate of Veterinary Medicine.
Dr. Brandt went on to complete a rotating internship at the University of Pennsylvania in Philadelphia, PA. Subsequent to finishing her internship in 2008, Dr. Brandt completed her one-year Emergency & Critical Care fellowship at Cornell University in Ithaca, NY, and three-year Emergency & Critical Care residency at Tufts University in North Grafton, MA. Following her residency, Dr. Brandt came aboard AMC in the early spring of 2012.
Dr. Brandt enjoys emergency and critical care cases and also has particular interest in trauma renal disease, liver disease, sepsis, fluid therapy, transfusion medicine, and immune mediated hemolytic anemia. She also has an interest in researching urinary sepsis in dogs.
Dr. Brandt is a member of the American Veterinary Medical Association (AVMA), and the Veterinary Emergency and Critical Care Society (VECCS).
Rebecca Coldwell, DVM
Bio Coming Soon
Katherine Roberts, DVM
Dr. Roberts received her Bachelor of Science degree in Animal Sciences from the University of Massachusetts at Amherst. Following graduation, she enrolled at the Tufts University Center for Animal and Public Policy and received her Masters of Science.
Her career has taken her many place, including, the Franklin Park Zoo in Boston, were she had the opportunity to work closely with African hoof stock and study Grevy’s Zebras in parts of Kenya.
Dr. Roberts attended Ross University School of Veterinary Medicine, graduating in 2009. She completed her fourth year rotations at Texas A&M College of Veterinary Medicine. Following graduation, she practiced mixed animal medicine in upstate New York.
Amy K. Snedaker, VMD
Dr. Snedaker is a native of Nashua and began planning her veterinary career at a young age. When the Animal Hospital of Nashua first opened its doors in 1985, Dr. Snedaker, then a fifth-grader at Fairgrounds Elementary School, eagerly began bringing her family’s pets to Dr. Bishop and learning about becoming a veterinarian.
She received her BS in Animal and Nutritional Science from the University of New Hampshire in 2000 and earned her veterinary degree from the University of Pennsylvania in 2005, during which time she also conducted research in fertility preservation at the Center for Animal Transgenics and Germ Cell Research.
Dr. Snedaker resides in Wilton with her 8 year old daughter an 4 beloved cats.
Our Traveling Doctors
Paul Kaplan, DVM, DACVIM
Board Certified Cardiologist
As a founding member of the New England Veterinary Specialists, Dr. Kaplan has been in practice for over 20 years.
As a board certified cardiologist, Dr. Kaplan provides cardiology consultations and cardiac ultrasounds at our hospital when there is a patient need.
Jennifer McClellan, DVM
Board Certified Internal Medicine Specialist
Dr. McClellan is boarded in small animal internal medicine and has been a practicing internist since 2004. Dr. McClellan received her Doctor of Veterinary Medicine Degree from Cornell University and returned there for her residency after completing a year- long rotating internship at Wheat Ridge Animal Hospital in Denver, CO. Dr. McClellan practiced in a busy 30-doctor referral practice in Northern Virginia before moving to New Hampshire in 2006.
In addition to being in practice here in NH, Dr. McClellan was a consultant for IDEXX Laboratories for 3 years. She started her own business, Mobile Veterinary Imaging, PLLC in March of 2010.
Dr. McClellan is available to perform ultrasounds at our hospital when there is a patient need.










