Dr. Mullin teaches both undergraduate and graduate courses in microbiology and plant pathology. At the graduate level, he is the lead instructor for PLPT 801: Biology of Plant Pathogens and teams up with other teaching faculty for PLPT 802: Ecology and Management of Plant Pathogens and PLPT 867: Plant Associated Microbes. As an undergraduate instructor, Dr. Mullin teaches BIOS 312: Microbiology and PLPT 400: Intermediate Plant Pathology and its associated lab course, PLPT 400L. His research interests include the evolutionary biology of nematodes and their function in the world’s ecosystems.