Katrina R. Viviano, DVM, PhD, DACVIM, DACVCP, is a clinical associate professor in the department of medical sciences at University of Wisconsin–Madison. Her clinical interests include immune-mediated diseases and toxicology; her research interests include investigation of the role of antioxidants in health and disease, along with strategies for optimizing antimicrobial therapy. Dr. Viviano earned her DVM from University of Wisconsin– Madison, then completed a small animal rotating internship at University of Minnesota and an internal medicine residency at University of Wisconsin–Madison.