Lei Nie completed his Ph.D. (2013) from Huazhong University of Science and Technology, and after that received three years of postdoctoral training at Ningbo Institute of Materials Technology and Engineering (CAS, China) and Free University of Berlin (Germany). He began his research as an independent PI at Xinyang Normal University (China) in 2017. He started 3D bioprinting work at KU Leuven (Belgium) in 2019. His main research interests include biopolymers, drug delivery, nanoparticles, 3D bioprinting, and tissue engineering.