Katsuhiko Ariga is the Senior Scientist with Special Missions, Research Center for Materials Nanoarchitectonics (MANA) at the National Institute for Materials Science (NIMS). He received his Ph.D. degrees from the Tokyo Institute of Technology. His research field is based on supermolecular chemistry and surface science, including the boundary research areas of organic chemistry, physical chemistry, biochemistry, and materials chemistry. He also appointed as a professor of Univ. Tokyo since 2017. He is a Fellow of Royal Society of Chemistry, a Member of World Economic Forum Expert Network, a Honorary Member of Materials Research Society of India, and a Highly Cited Researcher.