Xiaolong Li is a Staff Scientist at the Ragon Institute of MGH, MIT and Harvard, specializing in biochemistry, protein structure, immunology, and infectious disease since September 2021. Key responsibilities include producing antigen-bound HLA for T cell tetramer staining, isolating specific T cells for single-cell sequencing, and examining T cell functionality through various assays. Prior to this role, Xiaolong served as a Research Fellow at Dana-Farber Cancer Institute, where effective collaboration with multiple professors facilitated the development of protocols for antigen-bound HLA and soluble T cell receptors. Academic qualifications include a Ph.D. in Biochemistry, Biophysics, and Molecular Biology from the University of Science and Technology of China, complemented by graduate studies at Harvard Medical School and Peking University.