Dr. Akira Otsuki is a Visiting Professor at Luleå University of Technology, and the Unit coordinator and leading professor of the unit “Mine Tailings? at Universidad Adolfo Ibáñez. He is a member of several academic societies as well as an editor of academic journals including ChemEngineering and Recycling. He also serves as a guest editor of special issues, including “Colloidal/Fine Particle Aspects of Mine Tailings?. His research focuses on characterization and processing of complex materials, including waste materials, natural ores, and colloids. He has been developing and running national and international research projects on his research focuses.