
Program
1st International Academic Summit
on the GX Model in Island Regions (IASIR)
March 26–27, 2026
Kumejima, Okinawa, Japan
Venue: Watermark Hotel Okinawa Kume Island, Kume Island, Okinawa, Japan
Day 1 – March 26, 2026
GX Model Facility Tour
9:30–12:00
GX Model Facility Tour (Kumejima Model)
9:20 Departure from Watermark Hotel Okinawa Kume Island (Meeting place: Lobby)
9:30 Departure from EN RESORT Kumejima EEF Beach Hotel (Meeting place: Lobby)
Registration & Lunch
12:00–14:00
Registration & Lunch at Watermark Hotel Okinawa Kume Island
Opening Ceremony
14:00–14:20
Opening Remarks
Koichi Node
President, Saga University
Remarks (tentative)
Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
Welcome Remarks
Hideo Tobaru
Mayor, Kumejima Town, Okinawa, Japan
Special Guest Remarks
H.E. Cedric Alexander Scott
Ambassador Extraordinary and Plenipotentiary of the Commonwealth of The Bahamas
Special Guest Remarks
Hon. Steven Victor
Minister of Agriculture, Fisheries and the Environment Republic of Palau
Keynote Lectures
14:20–14:50
“Sustainable development of tropical island nations using locally available deep ocean water (DOW) with diverse resource properties”

Masayuki Mac Takahashi
President Japan Science Society (JSS)
Professor Emeritus, The University of Tokyo
14:50–15:20 Break
Keynote Lectures
15:20–16:00
“Sustainable Futures for Island Regions: The Role of the United Nations University in Advancing SDGs and GX.”

Tshilidzi Marwala
President
United Nations University; Under-Secretary-General of the United Nations
Panel Discussion
Implementing the GX Model in Island Regions: Academic and Policy Collaboration
16:00–16:10
Greeting of Moderator – Yasuyuki Ikegami, Professor, Saga University
16:10–16:20
“OTEC & SWAC Research at the University of the South Pacific and Implementation Plans in Islands for Sustainable Development Through Blue Economy”
M. Rafiuddin Ahmed – Professor, University of the South Pacific, Fiji
16:20–16:30
“Blue Bridge - A GX Model for Fernando de Noronha”
Armando Hideki Shinohara – Professor, Universidade Federal de Pernambuco (UFPE), Brazil
16:30–16:40
“Valorization of deep sea water for energy transition of French Polynesia”
Franck Lucas – Professor, University of French Polynesia (UPF), French Polynesia
Valorization of deep sea water for energy transition of French Polynesia
16:40–16:50
“Island GX approach centered on Ocean Thermal Energy Conversion”
Shigeru Tabeta – Professor, The University of Tokyo, Japan
16:50–17:00
“Co-Creation Challenges Led by WASEDA University and NTT in Kumejima
–Toward an Autonomous and Self-Reliant Community through Energy Management”
Yu Fujimoto – Senior Researcher (Professor), Advanced Collaborative Research Organization for Smart Society (ACROSS), Waseda University, Japan
Yuji Maeda – Director, Space Environment and Energy Laboratories, NTT, Inc., Japan
17:00–17:10
“The Future of Deep Ocean Water Use with JICA”
Hiroo Tanaka – Vice President, Japan International Cooperation Agency (JICA)
17:10–17:40
Open Panel Discussion
Welcome Reception
18:30–20:30
at EN RESORT Kumejima EEF Beach Hotel
Day 2 – March 27, 2026
9:20–9:30
Special Guest Remarks
Katsura Miyazaki
Executive Senior Vice President / Chief Sustainability Officer (CSO), JICA, Japan
Keynote Lectures
9:30–10:00

Tishka Hope Francis
Senior Programme Management Officer (SIDS Team Lead)
Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States
“Advancing Resilience and Sustainable Development in Island Nations through Partnership, Innovation and Implementation”
Invited Speakers Session
Frontiers of the Energy–Water–Food Nexus and Climate Resilience in Island Regions
Invited Speakers (Listed in alphabetical order by family name)
-
Brandon Justin Bethel – Assistant Professor, University of The Bahamas, Bahamas
“Resource Assessments and Strategies for Ocean Thermal Energy Conversion (OTEC) Plants in The Bahamas” -
Masato Endo – Associate Professor of Department of Marine Biosciences, Research Organization, Tokyo University of Marine Science and Technology, Japan
“Land-based salmon culture using deep sea water in Okinawa prefecture” -
Kakau Foliaki – Pacific Centre for Renewable Energy and Energy Efficiency, Tonga
“The Pacific Renewable Ocean Energy Readiness Programme” -
Kevin Fontaine – Université de La Réunion, France
“Energy Transition and Independence in Reunion Island: The Role of Ocean Thermal Solutions” -
Purnima Jalihal – Professor, Atria University, India
“Indian activities in renewable energy, water and their nexus “ -
Masanori Kobayashi – Senior Research Fellow, Ocean Policy Research Institute, The Sasakawa Peace Foundation, Japan
“Sustainable blue economies in Palau - Enabling factors and challenges” -
Izumi Komiya – Manager, Department of International Affairs, Japan Science and Technology Agency (JST), Japan
“Overview of SATREPS -
Takafumi Morisaki – Assistant Professor, Saga University, Japan
“Green Transformation (GX) Model for Island Regions with Ocean Thermal Energy Conversion as the Core and Deep Ocean Water Utilization” -
Ryuichiro Nishi – Professor, Dean, Graduate School of Agriculture, Forestry and Fisheries, and Dean, Faculty of Fisheries, Kagoshima University, Japan
“Deep Ocean Water and OTEC for GX in Island Nations: Perspectives from Coastal Ocean Engineering and Marine Monitoring -Potential Roles of Training Vessels and Academic Collaboration for Human Capacity Development in Palau-“ -
Leola Primo – Program Manager – Water, FSM Department of Resources and Development
-
Asim Abdul Sattar – Professor, Maldives National University
-
Akihiro Takemura – Professor, University of the Ryukyus, Japan
“Advancing GX in Island Regions: The Blue-Green Revolution Project at University of the Ryukyus” -
Sathiabama T. Thirugnana – Associate Professor, Universiti Teknologi Malaysia,Malaysia
“Advancing Malaysia’s OTEC Model for Carbon Net-Zero & Blue Techno-Economy -
Tupuivao Vaiaso Junior Vaiaso – Assistant Chief Executive Officer / Energy Sector Coordinator, Ministry of Works, Transport and Infrastructure, Samoa
“Samoa’s Renewable Energy Transition Journey” -
Vaeno Wayne Vigulu – Dean, Solomon Islands National University, Solomon Islands
-
Takuji Waseda – Professor, The University of Tokyo, Japan
Jessica Borges Posterari – Assistant Professor, Saga University, Japan
“Ocean Data for OTEC in the Pacific Island Countries and Territories”
Poster Session
11:45–12:25
Poster Session with the above invited speakers
Wrap-up & Closing Remarks
12:25–12:30
Yasuyuki Ikegami,
Professor, Saga University, Japan
Lunch
12:30–13:30
Registration & Lunch at Watermark Hotel Okinawa Kume Island
GX Model Facility Tour
13:30–16:00
GX Model Facility Tour (Kumejima Model)
1:20 PM Departure from Watermark Hotel Okinawa Kume Island (Meeting point: Lobby)
1:30 PM Departure from EN RESORT Kumejima EEF Beach Hotel (Meeting point: Lobby)
Note: Only those who have made a reservation in advance may participate in the GX Model Facility Tour.
