Dr. Shang Cai is currently the assistant professor in Westlake University. He received his bachelor degree of biological science in Peking University in 2003. He then went abroad to the Biochemistry Department of Indiana University for his PhD studies, working on the molecular mechanism of spindle assembly and chromosome alignment. After getting his PhD degree in 2009, he pursued his postdoc research in the Institute of Stem Cell and Regenerative Medicine, Stanford University, working on the mechanism of self-renewal and fate specification of mammary stem cell and breast cancer stem cell. He joined Westlake University as assistant professor in 2017. Dr. Shang Cai’s research focused on the role of mammary stem cell in the morphological and functional integrity of the mammary gland during puberty, pregnancy and lactation, as well as the role of breast cancer stem cells in cancer initiation, evolution, drug resistance, relapse and metastasis. He has published multiple papers on Cell，Science and Cell Stem Cell.