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Mark R. Baus, DVM

Dr. Baus is the son and grandson of large animal veterinarians in South Dakota.  Although this experience shaped his decision to become a veterinarian, the desire and inspiration to provide care exclusively to horses occurred during veterinary school.  Upon graduation from Kansas State University College of Veterinary Medicine in 1981, Dr. Baus joined a veterinary practice in Fairfield, Connecticut with Drs. Howard Raven and Rick Mitchell.


Dr. Baus and Dr. Mitchell founded Fairfield Equine Associates in 1989 where Dr. Baus practiced until he started Grand Prix Equine in 2009. He has provided care to horses in the same region and for many of the same clients for over thirty years.


The Fairfield and Westchester county region has a long tradition of supporting the show horse industry.  Many of the finest horses, riders and trainers in the country have started their careers in this region and Dr. Baus has had the privilege to work on many of those great horses and with many great trainers and riders.


In addition to memberships in the American Veterinary Medical Association and American Association of Equine Practitioners, Dr. Baus is on the veterinary committee for the United States Equestrian Federation and the Horse and Rider Advocates Committee for the United States Hunter Jumper Association. He is on the board of directors for the AAEP and is a past member of the AAEP Ethics Committee. Dr. Baus is a past president of the Northeast Association of Equine Practitioners.


In his off time, Dr. Baus teaches a course in life skills at a local prison. He also enjoys auto racing as a fan and a driver.

Dr. Baus can be reached at

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Johanna R. Kremberg, DVM


Dr. Kremberg grew up in Brunswick, Maine, riding horses at every opportunity. She majored in English Literature and Spanish at Middlebury College, where she was the captain of the varsity lacrosse team. After her time in Vermont, she worked in botulinum research at Tufts University while she applied to veterinary school.


In 2010, Dr. Kremberg graduated from the Ohio State University College of Veterinary Medicine and spent the following year in a rotating large animal internship at the University of Georgia. At Ohio State, she received the "Excellence in Equine Surgery" award and was chosen as the 2009 AAEP/Hiscox Insurance scholarship recipient.


Dr. Kremberg appreciates all aspects of maintaining the equine athlete and excels in endoscopy, ultrasound guided injection techniques, and preventive medicine. Beyond work, Johanna enjoys time in the outdoors with her husband and two children, as well as visiting friends and family in New York City.  She lives in Bedford, NY and continues to ride her Irish Sport Horse at every opportunity.

Dr. Kremberg can be reached at

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Luvie L. Abell, DVM


Dr. Abell’s love for horses started before she can remember on her grandparents’ horse farm in Maryland. She earned a BS in Animal Science from the University of Vermont and went on to Virginia Tech for veterinary school.


Following vet school, Dr. Abell pursued additional training at Blue Ridge Equine Clinic in Virginia. In her rigorous internship year, she furthered her clinical competency in sports medicine, emergency and critical care, ophthalmology, surgery, and internal medicine. She has also completed extensive training in animal chiropractic at Options for Animals and is certified by the IVCA.


Dr. Abell appreciates all aspects of equine practice and has a special interest for lameness and sports medicine. She also loves chiropractic, gastroscopy, dentistry, and emergency medicine. Outside of work, Dr. Abell spends time riding her young and silly TB gelding as they learn the ropes of eventing together. At home, she loves cooking with her husband and managing the chaos of a house with 3 dogs, including little Roux who comes on the road with her and Kacey.

Dr. Abell can be reached at

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Caitlin C. Rothacker, DVM, DABVP

Dr. Rothacker's passion for horses started on a quarter horse ranch in Idaho where she initially grew up.  After moving to Putnam County, NY, she continued riding as a working student in a hunter/jumper barn. 


She graduated from Bucknell University in 2005, where she studied biology and gender studies.  In 2010 Dr. Rothacker earned her DVM from the University of Illinois. Following graduation, she moved to New Zealand for a one-year internship at a Standardbred racetrack practice. Upon her return to the US she completed a large animal rotating surgical and medical internship at the University of Pennsylvania’s New Bolton Center. Here Dr. Rothacker stayed on as a resident in Ambulatory and Sports Medicine. She became board certified by the American Board of Veterinary Practitioners in Equine Practice in 2014. 


Dr. Rothacker’s interests include lameness and diagnostic imaging, purchase exams as well as routine preventive care.  In warmer months, Dr. Rothacker can be found tinkering in her garden, often with a headlamp into the evening hours.  She enjoys sharing her love of all things wild with her husband, two children and dog Robin.

Dr. Rothacker can be reached at


Cleo A. Bubulka, DVM

Dr. Bubulka is originally from the suburbs of Chicago, IL, where her love of animals was obvious.  She began riding lessons when she was six and was soon spending all her free time at the barn.  

Dr. Bubulka attended Augustana College, earning her bachelor’s degree in Biology. She went on to earn her D.V.M. from the University of Illinois School of Veterinary Medicine in 2020.


Throughout veterinary school, Dr. Bubulka realized her passion of equine sports medicine.  She is excited to work with Grand Prix Equine as an associate veterinarian to continue her develop her veterinary skills.


In her free time, Dr. Bubulka enjoys running, playing ultimate frisbee, and baking for friends and family as well as riding when she can.

Dr. Bubulka can be reached at

Mel Batterton, DVM

Dr. Batterton discovered her love for horses from an early age while growing up in Newbury, Massachusetts. This involved not only riding hunters/jumpers, but a love for their general care. Her studies then brought her west where she received a BS in both Biology and Biomedical Sciences from Colorado State University, as well as completing their Honors Program. 


Following undergraduate, Dr. Batterton remained in Colorado and completed her Doctor of Veterinary Medical Studies in 2018. She was honored to receive “Outstanding student” award in Equine Field Medicine and Surgery during her clinical year of study. After graduation Dr. Batterton returned to the east coast to complete a one-year rotational internship at Rhinebeck Equine where she trained under board certified surgeons, internists, ophthalmologists, and theriogenologists to become well rounded in her equine medical skills.  


Since completing her training, Dr. Batterton has been in private practice, with passions for lameness/poor performance evaluation, diagnostic imaging, and gastroscopy. She also enjoys emergency medicine and incorporating all aspects of equine medicine to prolong the career of our equine athletes. In her free time, she enjoys CrossFit, all manners of outdoor activities, and spending time exploring the area with her dog, Aspen, and family/friends. 

Dr. Batterton can be reached at

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Lauren Veno, DVM   

Intern Veterinarian 2022-2023

Dr. Veno grew up in a suburb of Kansas City, MO where she found her passion for horses while riding and working at a local stable at a young age.  She eventually discovered a love for finishing green horses, particularly for the jumper division.

Dr. Veno completed her bachelor’s degree in Animal Science from the University of Missouri. She went on to also complete her D.V.M. at Mizzou in 2022.  While in veterinary school, Dr. Veno realized her passion for lameness and sports medicine which lead her to pursue an internship with Grand Prix Equine.

In her free time, Dr. Veno enjoys riding, painting, and spending time with her husband.

Dr. Veno can be reached at

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Ella Littlefield, Veterinary Technician

Ella grew up in New Hampshire where her life-long passion for horses began. From a young age, she rode whenever possible, spent long hours at the barn, participated in 4-H and competed at local horse shows. Ella attended Morrisville State College and majored in Equine Science and Management with a western training concentration. During that time, she competed on the western IHSA team for four years. After that, she pursued her dream of showing at AQHA shows nationally, traveling and mentoring with some of the industry’s top trainers. 


Since then, she has worked for a respected equine sports medicine practice as an equine veterinary technician traveling to the Winter Equestrian Festival and Spruce Meadows. She gained invaluable experience and knowledge in lameness, surgery and urgent care. In addition, she has worked as underwriter for an equine insurance company. 


When Ella is not at the barn, she enjoys cooking, gardening, CrossFit and spending time with family and friends. 

Ella can be reached at


Heidi Burrows, Veterinary Technician

Heidi grew up in northern New Jersey, where her love for horses started at a young age. She spent every spare minute working and riding at the barn and competed locally on her off-the-track Thoroughbred in the jumpers.


Heidi then attended Cazenovia College with a focus on Equine Business Management. After college, Heidi worked for a large show barn in New Jersey and later worked for a small animal veterinarian when she moved to Connecticut. Heidi found her way back to her passion with horses when she joined Grand Prix Equine.

When Heidi is not working she enjoys spending time with her husband and their dogs, cooking, and still loves spending time at the barn where she rides in Easton.

Heidi can be reached at

Kacey Buckley, Veterinary Technician


Following in her mother’s shoes, Kacey fell in love with horses as a young girl. Growing up in Connecticut she became a well-rounded and versatile rider as a member of Connecticut Valley Pony Club. She discovered her primary passion to be for dressage in which she has continued to ride and compete.

Kacey earned her Bachelor's Degree from Delaware Valley College where she majored in Animal Science and Equine Business, with a minor in Environmental Science. During her four years there Kacey competed and acted as secretary of the Intercollegiate Dressage Team and earned second individually in the nation for 2013 in her division. 

After graduating Kacey worked as an animal control officer for several years before joining GPE. In her free time Kacey enjoys riding her pony, Jack and caring for her other three horses. She also volunteers at a local horse rescue and at local horse clubs, and appreciates hiking and nature. Kacey now loves her career as a vet tech and especially enjoys the horses, the clients, and learning and working with the veterinarians.

Kacey can be reached at

Tori Travers, Veterinary Technician


Tori has been around horses for most of her life, and spends her happiest moments riding and working with horses. She grew up in Eastern Massachusetts where her love of equine sports began.


Tori brings lots of diversity to Grand Prix Equine. She has experience riding and showing saddle seat and hunter pleasure. As a wrangler in Montana she rode western, and she has gained lots of experience driving horses. Breeding, breaking, and herding horses are some other memorable and fun times.


In both pleasure and equitation, Tori competed in Saddle Seat and Hunt Seat on a national level. Some of her top achievements were at The Morgan Grand National and World Championship Horse Show in Oklahoma. Tori has worked with some of the best trainers in the industry gaining extensive knowledge in the field.


Tori received an Associates in Animal Science concentrated in Equine and a Bachelor’s in Resource Economics from the University of Connecticut. When she is not working, Tori enjoys spending time with her retired horse, her dog, and she loves hiking and skiing.

Tori can be reached at

Jill Masten-Urbain, Inventory & Equipment Coordinator

Jill grew up in Fairfield, Connecticut and attended Colby Sawyer College. She studied business and competed on the intercollegiate equestrian team. While growing up, Jill rode and competed with Peter Lutz and Peter Wylde in the local horse show scene. She also had the opportunity to work with Olympic Gold Medalist Melanie Smith and Grand Prix rider Jeffrey Welles.


After considering a career in marketing, Jill decided to continue riding and working full time with horses. She joined Dr. Baus and Fairfield Equine in 1989, eventually managing the ambulatory technicians in this large and successful equine practice. She has continued working with Dr. Baus during the creation of Grand Prix Equine in 2009.

Jill’s other interests include Bikram Yoga and traveling to unusual places throughout the world. She occasionally rides horses when time allows and is always interested in nature and the outdoors.

Jill can be reached a


Sandy Leslie, Office Manager

Sandy grew up in Stratford, Connecticut and attended the University of Connecticut where she earned her BS in Animal Science. She started riding at the age of 15 and during her time at UConn was a member of the intercollegiate riding and drill teams.


After graduating Sandy worked for a large equine practice recognized throughout the nation as one of the top practices in its field.  During her 23 years there, she gained a vast array of experience while serving in various roles; including as a technician, a front office manager, a manager of operations, and a client services coordinator.


Sandy's expertise includes knowledge and skills in lameness, assisting in surgery, providing emergency care, practice management, and customer service.


In her spare time, Sandy likes to spend time with her horse Avy, and her American bulldog Meaty, as well as her family and friends.  She enjoys the outdoors and especially enjoys time at the beach in Maine, where she travels every summer.

Sandy can be reached at

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Paige Nelson, Customer Care Associate


Paige has been a devoted animal lover from an early age. She was introduced to horses by her mother early on and her family quickly realized her unwavering dedication to the horse world. Paige was president of her 4-H Club and a working student in the Farmington valley region where she gained invaluable experience in and out of the saddle. In high school, she was captain of the Avon Valley Show Stables IEA team and was on the riding team at Lynchburg College in Virginia.

Paige returned to Connecticut to work and ride in the Litchfield county area where she worked in the small animal veterinary world as a technician and manager. She not only enjoys riding and competing in the hunters and jumpers but is also interested in draft horses, primarily Percherons, and developed a skill for driving and managing a carriage horse farm. 

In her spare time, Paige enjoys spending time with her thoroughbred, Timber, and her miniature horse, Chipotle. She also enjoys skiing, kayaking, and hiking with her dogs, Teddie and Bean. 

Paige can be reached at

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