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Oklahoma State University
Center for Veterinary Health Sciences

Healthy Animals - Healthy People

Equine Medicine and Surgery | Meet the Staff


Todd Holbrook, DVM, DACVIM (Large Animal), DACVSMR

Todd Holbrook and horse

Dr. Holbrook is the Equine Section Chief. He earned his DVM degree at the University of Georgia. Dr. Holbrook is a diplomate of the American College of Veterinary Internal Medicine (Large Animal) and of the American College of Veterinary Sports Medicine and Rehabilitation (Equine). Dr. Holbrook is also a June Jacobs Endowed Chair in Veterinary Medicine.

Lyndi Gilliam, DVM, Ph.D., DACVIM

lyndi gilliam and a black horse

Dr. Gilliam was raised in Wyoming.  She has shown horses her whole life, most recently working cow horses; which is what brought her to Oklahoma.  Once she was here she just couldn't leave so she stayed for her undergrad and DVM degrees at OSU.  Dr. Gilliam went into a mixed animal private practice in Dalhart Texas for 2 years before returning to OSU for her residency and Ph.D.  She completed her residency and became board certified in Large Animal Internal Medicine in 2006.  In 2012 she completed her PhD in Veterinary Biomedical Sciences studying the effects of rattlesnake venom on the horse's heart.  Her current research includes envenomation and methods to treat it, equine herpes virus, Corynebacterium pseudo tb / Pigeon Fever, and analgesic protocols for chronic pain in the horse. 


Daniel Burba, DVM, DACVS

daniel burba and horse

Watch "On the Job with Dr. Burba"

Dr. Burba is originally from west central Pennsylvania but grew up in eastern Kentucky.  He completed an undergraduate study in Biology at Morehead State University, Morehead, KY. Dr. Burba attended the College of Veterinary Medicine at Auburn University and graduated in 1986. He was accepted into an internship program in Large Animal Medicine and Surgery at Oklahoma State University and subsequently completed a residency in Equine Surgery in 1990. Dr. Burba joined Louisiana State University-School of Veterinary Medicine as an assistant professor of equine surgery in 1990. After 25 years at LSU SVM, he joined the Center for Veterinary Health Sciences at Oklahoma State University in 2015.

Dr. Burba became a Diplomate of the American College of Veterinary Surgeons in 1995. He has received such rewards as the Carl J. Norden distinguished teaching award, teaching merit honor roll of Gamma Sigma Delta Honor Society of Agriculture.  He is a member of Phi Zeta Veterinary Medicine Honor Society, Gamma Sigma Delta Agriculture Honor Society, Veterinary Wound Management Society, American Association of Equine Practitioners, and American Association of Veterinary Clinicians.  Dr. Burba was recently awarded the McCasland Professorship in Biomedical Laser Surgery. His research and clinical interests include orthopedics and laser cribbing surgeries. Dr. Burba holds the McCasland Professorship in Biomedical Laser Surgery and is currently serving as the interim department head for the CVHS Department of Veterinary Clinical Sciences.

Michael Schoonover, DVM, MS, DACVS, DACVSMR

mike schoonover

Dr. Schoonover earned his DVM degree from Oklahoma State University. He is a diplomate of the American College of Veterinary Surgeons and of the American College of Veterinary Sports Medicine and Rehabilitation (Equine).

Megan Williams, DVM, DACVS-LA

megan williams

Originally from Leawood, Kan., she earned her BS and DVM degrees from Kansas State University. Her research focus includes equine lameness, particularly regarding suspensory ligament pathology.

In her spare time, Megan enjoys riding her horses and playing with her twins.


Jillian Paegelow, DVM

blonde woman in orange polo standing with a horse

Dr. Jillian Paegelow is an equine internal medicine resident. Originally from Louisburg, Kan., she earned her DVM degree at the University of Missouri and completed an internship at B. W. Furlong & Associates in Oldwick, N.J. Her current research interests focus on gastroenterology and infectious diseases.

Home schooled all through high school, she was able to work full time for an Arabian and HalfArabian show and breeding operation. In her spare time, Jillian enjoys riding, training, showing and breeding Arabian and Half-Arabian horses as well as baking and cooking, and running and hiking with her dog.

Jenna Young, DVM

blonde woman with her hair in a side braid wearing a black polo

Dr. Young is an equine surgery resident. Originally from Mason City, she earned her undergraduate and DVM degree from Iowa State University. She then completed a one year equine medicine & surgery internship here at OSU. Her special interests include orthopedics, critical colic cases, and lameness. In her free time she enjoys spending time with her husband, hiking with her dog, riding her two horses, playing volleyball, and swimming. 

Amy Lovett, DVM

amy lovett

Originally from Melbourne, Australia, Amy earned her DVM degree from the University of Melbourne. Her research interests include equine metabolic syndrome. Amy played violin in the local orchestra while she was in North Carolina working in an equine ambulatory practice. In addition to loving horses and music, she enjoys reading (mostly classics and fantasy) and the outdoors hiking and riding horses.


Judy Branson, RVT

head shot of woman with short hair in scrubs

Judy graduated from Murray State College as Veterinary Technician in 1991. She has been a veterinary technician with the Veterinary Medical Hospital since 1995. Judy enjoys showing miniature horses. 

Jennifer Sisk-Miley, RVT

woman in orange polo with a horse

Jennifer grew up in the small town of Locust Grove, Oklahoma where her parents run a small commercial black angus operation. Growing up, she bred and showed Pony of the Americas and worked her way through high school at a Thoroughbred breeding farm. She attended University of Kentucky while working at Rood and Riddle Equine Hospital in Lexington. Jennifer returned home and obtained her Associates in Veterinary Technology from Tulsa Community College in 2008. After briefly working in small animal emergency medicine, Jennifer and her family relocated to Stillwater in 2009, where she joined the Veterinary Medical Hospital staff as a Registered Veterinary Technician. Jennifer is a member of the AAEVT and her interests are equine colic and neonatal critical care. She is a Veteran of the United States Army National Guard and enjoys spending her time reading, cooking, spending time with her two beautiful children, and trying to spread awareness and be an advocate for her daughter with High Functioning Autism Spectrum Disorder. 

Maranda Skaggs, RVT

dark haired woman in orange polo posing with a horse

Maranda was born and raised in Oklahoma. She graduated from Wagoner High School in 2011, and then from the Tulsa Community College Veterinary Technology program in the spring of 2015 with an associates degree in veterinary technology. In May of 2015, Maranda joined the large animal hospital at OSU, working as an overnight technician in both equine and food animal ICU. She is particularly interested in equine sports medicine and is a member of the AAEVT. She intends on furthering her education in the near future with the goal of moving forward in her career. Outside of work Maranda enjoys hunting, fishing, shooting, dancing and training her blue heeler, Ember.

Cherlyn Simpson, RVT

woman with long blonde hair

Cherlyn graduated from Oklahoma State University in 2012 with a degree in animal science. Since then, she has retired from the Army and received her Registered Veterinary Technician license. She is a resident of Stillwater, happily married and blessed with a daughter. Cherlyn currently raises and shows Boer goats and owns a horse and two dogs. She has been active in the veterinary field for approximately 10 years. Her main interest is large animal with a focus in equine medicine.


Robin Jack

robin jack

Originally from Hereford, Texas, Robin earned an associate degree in animal science from Clarendon College and a bachelor’s in animal science from Tarleton State University. She showed hoses on the Ranch Horae team at Clarendon College and currently raises beef cattle with her husband. In her spare time, Robin enjoys spending time with her husband and three dogs, visiting her home town in Texas and going to her in-law’s in southwest Oklahoma to work cattle.

Katlin Bullock

katlin bullock

Originally from Bartlesville, Oklahoma, Katlin received her bachelor’s in animal science from Oklahoma State University. Her research interests include neurology and cardiology. Katlin is third of nine children and in her spare time enjoys quilting and hiking and kayaking with her dogs, Flidais and Ezio.

Chelsea Parrott

Originally from East Texas, Chelsea earned her bachelor’s in biology from East Texas Baptist University. In her free time she enjoys roping, riding and hunting.

Stephanie Gillham

stephanie gillham

Stephanie was born in Hicksville, New York and grew up in Hollywood, Florida. She earned her associate’s in veterinary technology from Sanford-Brown College. Stephanie was in the Venturing Program sponsored by the Boy Scouts of America in high school. In her spare time, she loves to spend time outdoors; she loves fresh air and star gazing.