Kun Zhou is a Professor of Mechanical Engineering in the School of Mechanical and Aerospace Engineering at Nanyang Technological University, Singapore. His research interests focus on mechanics of materials and additive manufacturing. He has founded the journal Smart Manufacturing and serves as its Editor-in-Chief. He is also a co-founder of Journal of Micromechanics and Molecular Physics and serves as its Co-Editor-in-Chief. He was elected Fellow of Institution of Mechanical Engineers, Royal Aeronautical Society, Royal Society of Chemistry, Institute of Physics, and Institute of Materials, Minerals & Mining. Changjun Han is an Associate Professor in the School of Mechanical and Automotive Engineering at South China University of Technology, China. He achieved his Ph.D. from Huazhong University of Science and Technology in 2018 and subsequently worked as a postdoctoral fellow in the School of Mechanical and Aerospace Engineering at Nanyang Technological University, Singapore for over two years. He has rich experience in additive manufacturing of metallic materials. He serves as an Associate Editor of Smart Manufacturing.