Robert W. Li is a Research Molecular Biologist and Lead Scientist at USDA-ARS Animal Genomics and Improvement Laboratory. His main research interests include identifying genes and biological pathways controlling host resistance and resilience to parasitic infections in ruminants using high-throughput genomics approaches and investigating the change in the intestinal metabolome and microbiome during pathogen infection and its physiological and pathological implications using metagenomics data.