Dr. Matti Kiupel is an anatomic pathologist and professor in the Department of Pathobiology and Diagnostic Investigation and the Veterinary Diagnostic Laboratory at Michigan State University. He oversees the histology and immunohistochemistry laboratory, the largest veterinary diagnostic molecular pathology laboratory in the country. He has published more than 300 peer-reviewed papers and numerous book chapters in veterinary and comparative pathology, specifically tumorpathology, and is the editor of the “Surgical Pathology of Tumors in Domestic Animals” (former WHO fascicles) series.