Professor and Section Head
Karl H. Kraus is Chief of Small Animal Surgery at Lloyd Veterinary Medical Center at Iowa State University and diplomat of the American College of Veterinary Surgeons. He graduated from Kansas State University in 1985, completed residency training at University of Missouri-Columbia in 1989 and was professor of surgery at Tufts University from 1989 to 2007. He also held a joint appointment at Harvard University where he helped develop neurosurgical procedures on humans at Brigham and Women's Hospital from 1989 to 1998. He was founder of Securos Veterinary Orthopedics and Chair of the Board of Directors from 1997 to 2007. He is the inventor of the Securos External Fixator System, bone anchor and Cruciate Repair System, and SOP plating system. His major areas of interest include fracture repair, external fixation, ACL repair, spinal stabilization, and neurosurgery
Clinical and research interests: Dr. Hoefle's clinical research interests include total hip prosthesis, bone grafts and osteosarcoma treatment.
Dr. Zellner is originally from Michigan and graduated from Michigan State University. He has combined his enthusiasm for sports and helping animals by maintaining involvement in the ISU IronDog Fund. He completed a residency at Iowa State.