Veterinarians
Brad Jackman, DVM, MS, ACVS
Dr. Brad Jackman graduated from Kansas State University in 1987 with a Doctorate of Veterinary Medicine. After graduation, he completed a one year internship and 3 year equine surgical residency at the University of Georgia. After his residency, he served as an instructor of surgery at both the University of Saskatchewan and Washington State University and became board certified in surgery during that time. He joined Pioneer in 1995 and became a partner in the practice in 1996. In 2007, Dr. Jackman became the sole owner and CEO of Pioneer Equine Hospital. He continues to be an active committee member of the American Association of Equine Practitioners as well as the recruitment and development of equine veterinary students.
Dave MacDonald, DVM, MVSc, ACVS
Dr. MacDonald was born and raised in 'the great white north' (Canada). He obtained a Bachelor of Science degree from the University of Guelph and his Doctor of Veterinary Medicine from the Ontario Veterinary College university of Guelph. Following a one-year internship at Okotooks animal clinic in Alberta he completed a residency in large animal surgery and a masters of veterinary science at the Western College of Veterinary Medicine in Saskatoon, Saskatchewan. He became a diplomate of the American college of veterinary surgeons in 1997 and has been a staff surgeon at Pioneer Equine Hospital since December 2000. Dave's focus at Pioneer is surgery and lameness. Dave and his wife Erica have two sons, Jacob and Mitchell and enjoy spending time together outside
Luke Bass, DVM, MS
Dr. Bass became involved in the equine industry at a young age in southwestern Louisiana. He attended Louisiana State University and attained a B.S. in Animal Science in 2001. He followed his interest in Equine Reproduction and secured a M.S in Reproductive Physiology at Colorado State University. Dr. Bass then continued his education at Colorado State by acquiring his Doctorate of Veterinary Medicine in 2007. During veterinary school, Dr. Bass continued to work on several research projects at CSU in areas of oocyte transfer, embryo transfer, and West Nile vaccine development. Upon graduation, he completed a veterinary internship at Pioneer Equine Hospital and is currently employed as an associate veterinarian at Pioneer. His professional interests include reproduction, lameness, and imaging. Dr. Bass is also a committee member of the AAEP Student Relations Committee and is currently the Intern Coordinator at Pioneer.
In his spare time, Dr. Bass loves spending time with his family and friends, playing golf, and enjoying outdoor sports. Dr. Bass has recently begun acting as an adjunct professor at Modesto Junior College in the College of Agriculture program teaching evening classes.
Tegan S. Bosard, DVM, MS
Dr. Bosard was raised in Humble, Texas just outside of Houston. She received her Bachelors of Science in Biology from the University of Alaska, Anchorage in 2001. Both her Masters in Equine Reproduction and Doctor of Veterinary Medicine were received from Texas A&M University, College of Veterinary Medicine, Gig’em! Following veterinary school Dr. Bosard completed an internship with Pioneer then rejoined the Pioneer team in 2010. Professional interests are sport horse medicine, lameness, reproduction, and emergency medicine. Personally she enjoys her four-legged companions and spending time with her family and friends.
Karen Unger, DVM
A graduate of Colorado State University, College of Veterinary Medicine and Biomedical Sciences, Dr. Unger is our newest associate veterinarian. Dr. Unger, originally from Boksburg, South Africa, completed her Bachelor of Science in Animal sciences at Colorado State University and then went on to obtain her doctorate in veterinary medicine in May, 2003. Upon completion of her formal schooling, Karen completed a one year internship at Littleton Equine Medical Center in Colorado, and then stayed on as an associate until joining Pioneer. Karen’s professional interests include lameness, internal and preventive medicine, and ophthalmology. Because of her especially strong interest in conditions of the horse eye, Karen has enjoyed taking numerous courses on equine-specific ophthalmology over the years and has become adept at treating and managing challenging “eye” cases. Outside of work Karen enjoys running, hiking and spending time with friends and family (of both the 2 and 4-legged variety).
Julie Wilkins, DVM
Dr. Wilkins was born and raised in Ennis, Montana. She attended North Idaho College for 2 years of undergraduate study and then attended Albertson College of Idaho the following 2 years. Dr. Wilkins received her Doctor of Veterinary Medicine degree from Colorado State University in May of 2001. She did an internship at Pioneer Equine Hospital immediately following graduation and then stayed on as an associate veterinarian for 5 years. Dr. Wilkins' clinical focus and advanced training is in diagnostic ultrasound, and she is at Pioneer Equine Hospital on Thursdays. When not traveling with her ultrasound machine, she enjoys spending time team roping, starting and training young horses, and helping her husband, Todd with their cow/calf operation.
Suzanne Brenner, DVM
Dr. Brenner graduated from UC Davis in 1994 with a B.S. in Animal Science with an equine emphasis and earned her Doctorate of Veterinary Medicine in 2003. Upon graduation, she entered general equine practice for three years and then returned to UC Davis for a Large Animal Ultrasound Internship 2006-2007. Her internship was followed by employment as a staff veterinarian in the equine ultrasound department at Davis. In late 2007, Dr. Brenner established an equine ultrasound consultation practice offering services to Pioneer Equine Hospital. Additionally, Dr. Brenner is currently the veterinary anatomy and physiology instructor at the Modesto Junior College within the veterinary technician program. Her professional interests lie in diagnostic imaging for musculoskeletal injuries and internal medicine. Similarly, her non-profession interests lie in all things horse related, including a weak attempt at returning to 3 day eventing on any one of her rescued horses.
