Shan Sun received her B.Sc. degree from Nanjing Normal University, China, and her M.Sc. degree from the Shanghai Jiao Tong University, China. In her Master´s Program, she investigated the interaction between microbiota and intestinal T cells (Shan S. et al PNAS 2020). Shan is interested in human tissue resident CD4+ T cells, and currently performing her doctoral studies.