Dr. Derald Holtkamp is a professor in the Department of Veterinary Diagnostics and Production Animal Medicine (VDPAM) in the College of Veterinary Medicine at Iowa State University (Ames, Iowa, U.S.). He received his DVM, MS in Agricultural Economics, and BS in Agricultural Business with a minor in statistics all from Iowa State University. Prior to joining Iowa State, he was a private veterinary consultant. He has also served as a technical services veterinarian for ADViSYS Inc., Vice President of Swine Applications for MetaFarms Inc., Director of Pork Development for E-Markets, Inc., and as a veterinarian and service manager for Smithfield Foods in Warsaw, North Carolina. Holtkamp's research focuses on managing infectious swine diseases, biosecurity, disease risk assessment, and the economics of animal health and disease. He has authored over 40 peer-reviewed publications, is a frequent speaker in the U.S. and internationally with over 230 invited presentations and has mentored over 260 professional and graduate students.