The International Association of Hydrogeologists accords the title of Honorary Member to those who have given exceptional services to the Association over a long period. Candidates are elected, following the recommendation of Council, by a vote of the General Assembly of the Association. This vote took place at the IAH Worldwide Groundwater Congress in Melbourne and via Zoom in September 2025.
We were delighted to announce two Honorary Members in 2025.
Makoto Taniguchi
Professor Makoto Taniguchi gained his Ph.D. in groundwater hydrology from the University of Tsukuba in 1987. He has held research and faculty positions at CSIRO, Australia, the University of Arizona, USA, Florida State University and the University of Tsukuba, Japan. In 2003 he joined the Research Institute for Humanity and Nature in Kyoto, Japan, becoming a full professor of hydrogeology in 2009 and Deputy Director-General in 2015.
Professor Taniguchi has led major international projects, including UNESCO-GRAPHIC, Groundwater in Asian Megacities, the Water-Energy-Food Nexus initiative, the Belmont Forum SUGI Food-Water-Energy Nexus and coordinator of the GWSP-Asia network. His work bridges hydrology, geophysics, and sustainability science through interdisciplinary collaboration.
Over his career, he has authored or co-authored more than 180 peer-reviewed articles and eight books on subsurface hydrology, including ‘Groundwater system responses to changing climate’ in IAH’s own Books Series. He has been Associate Editor of ‘Ground Water’ and of ‘Hydrological Processes’.
Professor Taniguchi is an IUGG Elected Fellow, a JpGU Fellow, a Cooperation Member of Science Council of Japan, a Future Earth Assembly member, and a Steering Committee member of Water-Energy-Food Nexus KAN. He has been President of the Japanese Association of Groundwater Hydrology, Vice President of the International Committee of Groundwater of IAHS under IUGG and is currently President of the Japanese IAH National Chapter.
He served as IAH’s Vice President for Asia Region from 2016 to 2020, where he championed global capacity building, facilitated cross-regional knowledge exchange, and helped shape IAH’s strategic research agenda in groundwater science and management. He promoted the groundwater-energy-food nexus, future groundwater, early career hydrogeologist involvement, and interdisciplinary research at global, regional, national, and local levels.
Professor Makoto Taniguchi fully deserves the award of IAH Honorary Membership.
Bradley Moggridge
Professor Bradley Moggridge is an environmental hydrogeologist and proud Kamilaroi man. He has a Bachelor of Science (Environmental Science) from Australian Catholic University, Master of Science (Hydrogeology and Groundwater Management) from the University of Technology Sydney and a PhD in Science from the University of Canberra. He is Professor of Science and Associate Dean in Indigenous Leadership and Engagement at UTS. He combines the ancient knowledge of Indigenous environmental management with modern science, to progress a sustainable approach to water and land management.
Professor Moggridge’s impact has been recognised locally and internationally, contributing to sustainable water management systems on his own traditional Country and around the world. He was instrumental in establishing the first Indigenous Groundwater Declaration with the International Association of Hydrogeologists (IAH Australia). This acknowledges, champions and supports the inclusion and respect of Indigenous knowledge in groundwater activities, decisions and policies. He has been an invited speaker at the United Nations Water Conference the Stockholm International Water Institute’s World Water Week.
He has received the CSIRO Indigenous STEM Professional Career Achievement Award, the ACT Tall Poppy Award for Science, the ACT NAIDOC Scholar of the year and the inaugural Academy of Science Aboriginal and Torres Strait Islander Travel Award. His work has led to the establishment of the first National Indigenous STEM Professionals Network in Australia. He is a Fellow of the Peter Cullen Trust and International Water Centre leadership courses, Board member of the NSW EPA, the Biodiversity Council and Immediate Past President of the Australian Freshwater Science Society, a Governor of WWF Australia and member of the Wentworth Group of Concerned Scientists. He is Lead Author for IPCCs AR7 in Working Group 1.
Professor Moggridge’s vision, advocacy, research and practical application are increasing the visibility and respect of Indigenous knowledge systems, and helping the world to better collaboratively manage the Earth’s most important resources, especially water.
Professor Bradley Moggridge fully deserves the award of IAH Honorary Membership.
