American Association for Laboratory Animal Science, the American College of Laboratory Animal Medicine, and the American Society of Laboratory Animal Practitioners. She has written numerous scientific and technical publications and presented at many national and international meetings on topics related to the humane care and use of laboratory animals.

Leonard S. Bull is professor of animal science and associate director of the Animal and Poultry Waste Management Center at North Carolina State University. He received his BS and MS in dairy science and dairy cattle nutrition, respectively, from Oklahoma State University and his PhD in animal nutrition from Cornell University. His research interests include food-animal production systems; animal nutrition, especially protein and energy metabolism in ruminants; ruminal fiber digestion; and animal-waste management. Dr. Bull served as president of the American Society of Animal Sciences (1997-1998) and vice president of the North American chapter of the World Association for Animal Production (1998-2003). He is a fellow of the American Association for the Advancement of Science and the American Society of Animal Science. He chaired the National Research Council Subcommittee on Nitrogen Usage in Ruminants and served on the Board on Agriculture and Natural Resources (1995-1997).

Charles C. Capen is a distinguished university professor in the Department of Veterinary Biosciences at Ohio State University. He has chaired his department (the Department of Veterinary Pathobiology until the integrated Department of Veterinary Biosciences was established in 1994) since 1982 and was acting chair for a year before that. He joined the faculty in 1965 after serving as an instructor for 5 years while pursuing his PhD in veterinary pathology. He also earned his MS at Ohio State University and his DVM at Washington State University. Dr. Capen is renowned for his work in the use of animal models to study human diseases and was elected to the Institute of Medicine in 1992. He has received dozens of honors, including being named a distinguished member of the American College of Veterinary Pathologists—one of only 22 diplomates of 1,300 in the college to receive such a designation. He also received Ohio State’s Distinguished Scholar Award in 1993. He served on the National Research Council Committee on Review of the Smithsonian Institution’s National Zoological Park and the committee to Assess the Health Implications of Perchlorate Ingestion.

Norman F. Cheville is retired dean of the College of Veterinary Medicine and Clarence Hartley Covault Distinguished Professor at Iowa State University. He received his DVM from Iowa State University, his PhD from the University of Wisconsin, and a Doctor Honoris Causa from the University of Liege. He chaired the Department of Veterinary Pathology at Iowa State University from 1995 to 2000. Before joining Iowa State University, he was chief of pathology (1964-1989) and of the Brucellosis Research Unit (1989-1995) at the National Animal