Yukio HimiyamaYukio Himiyama is an emeritus professor of the Hokkaido University of Education, Japan. He taught at this university from 1980 until 2015 after receiving his MSc in physics at UCLA and Tohoku University, and his PhD in geography at King’s College London. With this background and in this vocational environment, he has written and edited numerous articles and books in geography and geography education, sustainability sciences and sustainability education, land use/cover change, disasters, lifelong learning, and other related fields. He has been active in Science Council of Japan and the Japan Geoscience Union for more than a decade, assuming several key posts, and has nurtured his broad interdisciplinary insight which helped him to develop a new academic discipline for sustainability such as human geoscience. He is currently the president of the International Geographical Union (IGU). Kenji SatakeKenji Satake is a professor and thedirector of the Earthquake Research Institute, The University of Tokyo. His research interests are giant earthquakes and tsunamis in the world, for which he uses geophysical, geological, and historical approaches. He was the chair of the International Union of Geodesy and Geophysics (IUGG) Tsunami Commission from 2003 to 2011, during which period the 2004 Indian Ocean and 2011 Tohoku tsunamis occurred. He is a fellow of the American Geophysical Union and currently a vice president of the International Association of Seismology and the Earth’s Interior (IASPEI). He is the editor-in-chief of Geoscience Letters, the official journal of the Asia and Oceania Geosciences Society, for which he served as president from 2012 to 2014. Taikan OkiProfessor Taikan Oki’s research specializes in global hydrology and the sustainability of world water resources, including virtual water trade and water footprints. He was one of the coordinating lead authors for thechapter “Freshwater Resources” in the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report (AR5). He obtained his BEng and PhD degrees at The University of Tokyo. He also received qualification as a weather forecaster. He became a professor at The University of Tokyo in 2006. He is the senior vice-rector of United Nations University and has been an assistant secretary-general at United Nations since 2016. He is the recipient of many awards, including the Biwako Prize for Ecology in 2011 and the Japan Academy Medal in 2008. He became the first Japanese American Geophysical Union Fellow in its Hydrology Section in 2014.
