|Mark T. Donaldson, VMD, DACVIM a native of Chester County, received his Bachelor of Science from Villanova University and graduated from the University of Pennsylvania, School of Veterinary Medicine in 1993. After completing an internship at the University of Georgia he returned to the University of Pennsylvania for a residency in Internal Medicine. He is a member of the American College of Veterinary Internal Medicine. Before joining Unionville Equine Associates in 2005, he was an Assistant Professor of Medicine at University of Pennsylvania’s New Bolton Center. He is currently a partner at Unionville Equine Associates. His clinical focus is sports medicine. In his spare time he enjoys photography and spending time with his wife, Emily and daughter, Lucy.