Cooper Williams

Cooper Williams

VMD, DACVSMR, and Certified ISELP Instructor

Dr. Cooper Williams grew up in Cecil County Maryland where he learned to play polo and train polo ponies with his family. He ultimately obtained a five goal rating, and played professionally for five years. In the summer of 1981 he was a member of the United States polo team that competed throughout England. He coached the Valley Forge Military Academy polo team from 1981 to 1985. In 1984 he graduated with honors from the University of Pennsylvania School of Veterinary Medicine. He accepted a post graduate internship at Delaware Equine Center, where he developed their ultrasound imaging program. In 1987 he moved to Maryland where he worked for two years at Maryland Equine Center, also developing their ultrasound program. In 1989 Dr. Williams started his own practice, focusing on diagnostics and sports medicine in equine athletes. After 3 years of rigorous study, learning in depth about advanced diagnostic imaging, Dr. Williams passed his examination and was certified by the International Society of Equine Locomotor Pathology (ISELP) in 2009 and has continued on as a certified instructor with ISELP, teaching other equine veterinarians all over the world. Cooper is one of a small group of veterinarians in the world, who is certified by the International Society of Equine Locomotor Pathology in advanced ultrasound imaging.

Also, in August 2014, Dr Williams successfully passed his examination and is officially a Diplomate of the American College of Veterinary Sports Medicine and Rehabilitation! There are only a small group of veterinarians in the world that now can claim they are a specialist in sports medicine and rehabilitation and he is one of them. He is an active member of the North American Regenerative Medicine Association as well as being on the veterinary advisory board for ACell, Inc., a tissue engineering company. Cooper is married to his best friend and lifemate Trish. Trish and Cooper have two daughters and reside on a small farm in Hampstead, MD. Trish creates extraordinary gardens and breeds Poodle Crosses, “Doodles”, LabraDoodles, Border Doodles, and Aussie Doodles. In their spare time Cooper and Trish enjoy their farm and spending time with family and friends. Cooper enjoys an occasional game of golf, reading, genealogy, and he collects antique veterinary and polo memorabilia.

Magda Jumping

Magda Stewart


Magda joins us from Hagyard Equine Medical Institute in Lexington, KY. Born and raised among horses in Lexington at an early age she was playing "horse doctor" trackside when not in the pony ring or working student. She pursued her veterinary goals by first attending University of Virginia for undergraduate. She is a Magna Cum Laude graduate of Auburn University School of Veterinary Medicine. Her horse background prior to veterinary school included managing an “A” Circuit show stable, training, and competing as an Grand Prix rider and qualifying for indoor Equitation finals with ribbons in Medal Mclays, USET and WIHS. She enjoys distance running with sidekick Vizsla-Luna, recently found her way back into the jumper ring, skiing, mountain trekking, yoga and cooking. Magda is passionate about imaging, lameness evaluations, use of regenerative medicine and is in the process of working toward her ISELP certification as well.

Lucia Penn

Lucia joined the practice as a technician in 2001 from an extensive equine background. She simultaneously manages a small private farm for an owner who trail rides and fox hunts. Growing up, Lucia showed in the pony and children’s hunter divisions and then the jumper and equitation rings. After a hiatus from horses in college, she was the manager and assistant trainer at a farm specializing in thoroughbred yearling sales prep and breaking, two-year-old in training sales prep and layups with a few horses in race training, broodmares, foals and weanlings thrown into the mix. When that farm was sold, Lucia then worked for private clients starting horses for pleasure, eventing and foxhunting until their owners could take over the reins. At the same time, she exercised timber horses, often winning the grooms prize in the paddock when the horses ran at hunt meets. Lucia has always maintained a horse of her own. She currently identifies as a dressage rider who fox hunts. Outside of riding, Lucia enjoys hiking and hanging out with her lurcher, Gorli. .

Jessica Cook

Jessica Cook

Jessica has enjoyed 15 years of working with Cooper Williams VMD. After horse showing for several years in the hunter/jumpers she was hired by the practice and trained by Dr. Williams. She has a special fondness for the racehorses within the practice but enjoys getting to know the wide variety of patients. Being a technician Jess has relished the opportunity to learn and aid in diagnostic imaging. In 2018 she submitted a case study paper to the American Association of Equine Veterinary Technicians and was selected to have the paper printed in the proceedings, as well as present the case at the San Francisco meeting for the organization. When not keeping up with the doctors on the road or working in the office Jess enjoys hiking and has a newly developed love of gardening.

Carol Reely

Carol joined us as the bookkeeper/office manager in September 2014. She was born and raised in Baltimore and moved to Carroll County in 1986. She worked in the banking industry for 11 years and then worked in retail sales at a craft/fabric store for 9 years where she also took up sewing/quilting. She then worked 14 years for an insurance agency which only insured collectible items. During this time she traveled the US attending trade shows, meeting unique dealers/collectors and the golden opportunity of attending the world famous Comic con in San Diego, CA. She is currently learning the ins and outs of an equine veterinary practice. To pass her free time, she enjoys reading horror/thriller/mystery books.


Rosie Allen

Rosie joined the practice in August 2018, after moving from Scotland to Maryland. Rosie enjoys riding out steeplechase horses in her spare time after working in Charlie Longsgon's yard racing yard for several years. She has also three day evented to CCI2** and is currently loving retraining her ex-steeplechaser, Eclipse Award winner Dawalan.