Rongsheng Cai is currently a Research Officer in the Nanomaterials Lab, College of Engineering, Swansea University. He obtained his M.S. degree in Materials Science from Qingdao University (2014) and undertook a PhD supervised by Prof. Richard Palmer at the University of Birmingham (2014−2018). His research interests focus on transmission electron microscopy and catalytic properties of deposited metal clusters. He has published more than 30 research articles in SCI journals.