top of page
reeny website callie jumping 1.jpg

Maureen Sullivan, D.V.M


Dr. Sullivan graduated magna cum laude from Dartmouth College in 1982, and received her DVM from Ohio State University College of Veterinary Medicine in 1986. She worked in equine practices in California and Vermont before returning home to New Hampshire in 1994 to open Monadnock Equine Veterinary Services. Her interests include lameness, wound repair and management, and internal medicine. She enjoys riding her own horses, Callebaut and Havana Moon whom she competes in show jumping, as well as gardening, running, painting, and making (and eating!) chocolates.



Shannon Graham, D.V.M


Dr. Shannon Graham, a true New Englander at heart, grew up in a small hill town in the Berkshires, where she developed her love for animals and for the great outdoors.  Shannon got her first horse, Brendon, for her 13th birthday - he was a Morgan/TB cross, he was her once in a lifetime horse and sealed the deal on her growing passion for horses.  

Shannon attended the University of Vermont and graduated with a B.S in Animal Science.  She then lived in Hawaii for 7 months where she worked as an intern at a dolphin intelligence and cognition research laboratory.  Prior to attending veterinary school, she worked as a white water raft guide on the Deerfield River in Western Massachusetts. Shannon then traveled to Canada in 2001 to the University of Prince Edward Island where she attended the Atlantic Veterinary College.  After obtaining her DVM, Dr. Graham, completed a one year equine internship in NY/CT and then a two year residency in Field Service and Sports Medicine at New Bolton

Center, at the University of Pennsylvania. Dr. Graham became a Diplomate of the American Board of Veterinary Practitioners (ABVP) specializing in Equine Practice in 2010,  re-certifying in 2019. After her residency, Dr. Graham returned back to NY/CT to work in a busy equine surgical referral hospital for 11+ years. In 2014, Dr. Graham also became certified in Veterinary Medical Acupuncture (cVMA) through Colorado State University. After working in a rigorous hospital setting Dr. Graham realized her passion for ambulatory work with her professional interests including neonatal care, reproductive management of mares, metabolic diseases and geriatric care.   


Shannon, her husband, and her 4-legged vet assistant 'Willow' relocated to Keene in July 2019 to start a family - they welcomed Joshua (a bit earlier than expected) in October.  Shannon is looking forward to meeting the rest of the MEVS patients and clients and settling down into the Monadnock region. 


Shiloh Simino


Shiloh Simino has an Associates Degree in Equine Science from Thompson School at the University of New Hampshire. She has been a veterinary assistant since 1995 and has worked for Monadnock Equine Veterinary Services off and on since 1999. Shiloh enjoyed competing in Combined Driving and Pleasure Driving with her Fjord gelding, Arve.  Along with her husband and two sons, Shiloh works to maintain an 18th century farm house, complete with chickens, a cat, and a bountiful vegetable garden. 


Emily Miller

Veterinary Assistant

Emily Miller is now attending Cornell University Veterinary School after graduating from the University of Vermont, and will be graduating in 2025.  Emily has worked for Monadnock Equine Veterinary Services since 2015 and has loved every minute of it! Over the summer, she enjoys hanging out with her gelding, Mercedes, and competing and trail riding with her mare Zaria. Zaria also goes with Emily to college, where they are members of the Dressage Team. 

Angie's Bio Pic.jpg

Angela Leak LVT

Veterinary Technician

Angela is a lifelong horse lover, owner and rider. After graduating high school she attended Meredith Manor International Equestrian Centre and earned a Riding Master VI certification. 


After working at various farms for a few years, she switched gears, went back to school and received her Associates Degree in Veterinary Technology in 2000 from NHCTC in Stratham, NH. She then spent 12 years working as a small animal tech until the birth of her first child. At that point she decided to take a break from full-time work and focus on her family and small farm. 


Fast forward a few (or many) years and Angela decided to step back into veterinary work, this time in equine medicine. She is loving spending a few days each week with Monadnock Equine, combining her love of veterinary medicine with her very favorite large animals.


When she's not working with Dr. Sullivan or Dr. Graham you can find her at home in Mason parenting her two children (Eden, age 16 & Jackson, age 7,) shoveling manure from her 3 horses, trying to find time for her incredibly tolerant husband of 21 years, Tim, and telling her two unruly dogs to get off the furniture.


Laurie Russell

Veterinary Assistant

Born and raised in the Monadnock region, Laurie has been involved with horses for 48 years. It started with riding lessons at the French Farm in Nelson NH at the ripe old age of 5. She then moved onto the Pony Club, aging out with a B rating at 18. Laurie graduated from Keene High School in 1984, and UNH in 1989 with a Bachelor of Science in Animal Production and Agricultural Business. Laurie lives in Nelson NH with her husband of 20 years, Jim, two Labrador retrievers, a mustang mare she adopted in 2015, and a mini mule gelding she adopted on Christmas Eve in 2019.

bottom of page