| Director |
Nobukazu SOMA |
Underground measurement engineering，Geothermal development engineering |
 |
| Deputy Director |
Masaya SUZUKI |
Mineralogy，MatMineralogy，Materials chemistrytry |
|
| Prime Senior Researcher(Responsible for R&D of CO2 Geological Storage) |
Masao SORAI |
Geochemistry，Crystal growth，Mineralogy |
|
| Principal Research Manager |
Youhei UCHIDA |
Hydrology，Groundwater flow/heat transport theory |
|
| Principal Research Manager |
Yasuhide SAKAMOTO |
Geo-environmental engineering，Energy resource engineering |
|
| Research Manager |
Tatsuo MAEKAWA |
Geochemistry，Chemical engineering |
|
| Concurrently in charge of |
Hiroshi ASANUMA |
Geothermal development engineering，Seismology |
|
| Takuya ISHIBASHI |
Reservoir engineering |
|
| Kyosuke OKAMOTO |
Seismology |
|
| Yota SUZUKI |
Geothermal resource evaluation |
|
| Yasuo MATSUNAGA |
Physical exploration (electromagnetism)，
Hydrothermal system simulation |
|
| Yusuke YAMAYA |
Geophysical exploration engineering |
|
| Norihiro WATANABE |
Computational engineering |
|
| Emeritus Researcher |
Kisaburou KODAMA，Keiji KINBARA，Michio KURIYAGAWA，Takeshi KOMAI，Masakatsu SASADA，Tetsuro NODA，Isao MATSUNAGA，Yusaku YANO |
|
| Group Leader |
Mayumi YOSHIOKA |
Groundwater hydrology，Groundwater flow simulation |
|
| Chief Senior Researcher |
Reo IKAWA |
Groundwater hydrology，Isotope hydrology |
|
| Senior Researcher |
Masahiko ONO |
Hydrology |
|
| Researcher |
Mariko IIJIMA |
Environmental chemistry，Environmental ecology， |
|
| Shinji MATSUMOTO |
Mining engineering, Hydrogeochemistry |
|
| Naoyuki YOSHIHARA |
Hydrogeochemistry, Geomorphology |
|
| with a research group Concurrently in charge of |
Arif WIDIATMOJO |
Heat and mass transfer model，Fluid mechanics，Underground ventilation，Spontaneous combustion of coal seams |
|
| Takeshi ISHIHARA |
Quaternary studies，History of landform development |
|
| Shohei KANEKO |
|
|
| Gaurav SHRESTHA |
Hydrology，Geothermal use，Environmental engineering (Water environment) |
|
| Yutaro SHIMADA |
Life cycle assessment，Geothermal use，Architectural environmental engineering(Thermal environment) |
|
| Akira TOMIGASHI |
Geothermal use，groundwater engineering，hydrology |
|
| Isao MACHIDA |
Hydrogeology |
|
| Group Leader |
Mihoko HOSHINO |
Mineralogy，geochemistry，Crystal chemistry |
| Chief Senior Researcher |
Kenzo SANEMATSU |
Mineral deposits |
| Senior Researcher |
Daisuke ARAOKA |
Geochemistry |
| Shinsuke KODAMA |
Remote sensing |
| Yoshiaki KON |
Geochemistry，Mineral deposits，Ptrology |
| Yuki TSUNAZAWA |
Mineral beneficiation，Powder engineering，Powder simulation |
| Researcher |
Takashi AMAGAI |
Mineral deposits，Mineralogy |
| Shota SATORI |
Mineral deposits，Mineralogy |
| Group Leader |
Hideyoshi YOSHIOKA |
Biogeochemistry，Organic geochemistry |
| Career Researcher |
Takeshi NAKAJIMA |
Sedimentology，Marine geology，Fuel geology |
| Senior Researcher |
Kenta ASAHINA |
Organic geochemistry，Organic chemistry |
| Shusaku GOTO |
Geothermal science， |
| Koji TAKAHASHI |
Coal geology，Organic geochemistry，Geochemistry |
| Researcher |
Aya KUBOTA |
Stratigraphy，Sedimentology |
Satoshi FUROTA |
Organic geochemistry，Sedimentology，Analytical chemistry |
| Group Leader（Concurrent） |
Masaya SUZUKI |
Agricultural engineering，Materials chemistry |
| Chief Senior Researcher |
Taiki KATAYAMA |
Microbial ecology，Microbial physiology |
| Senior Researcher |
Masanori KANEKO |
Organic geochemistry，Biogeochemistry |
"
Daisuke MAYUMI |
Microbial ecology， |
Hanako MOCHIMARU |
Geosphere microbiology，Microbial ecology |
| Konomi SUDA |
Geochemistry，Earth history |
| Researcher |
Yusuke MIYAJIMA |
Geochemistry，Organic geochemistry，Paleontology |
| Group Leader |
Tetsuo YASUTAKA |
Soil contamination，abandoned mine，Risk assessment，Sustainability assessment，Test method development/standardization |
| Senior Researcher |
Hanae SAISHU |
Geochemistry |
| Munetake SASAKI |
Resource engineering |
| Kazuya MORIMOTO |
Mineralogy |
| Researcher |
Yuto KOMURA |
Environmental engineering，Ground hydrology |
| Momo TAKADA |
Environmental chemistry |
| Miu NISHIKATA |
Geochemistry |
| with a research group Concurrently in charge of |
Youko MIYOSHI |
Clay mineralogy，Inorganic geochemistry |
| Group Leader |
Motoharu JINGUUJI |
Exploration Geophysics,Nondestructive ERT survey,Thermal conductivity profile,Mobile EM Survey |
| Chief Senior Researcher |
Toshiyuki YOKOTA |
Physical exploration (Elastic waves) |
| Senior Researcher |
Miho ASADA |
Marine geology，Ocean physics |
Shogo KOMORI |
Electrical resistivity method / Induced polarization (DC/IP)，Magnetotelluric method (MT)，Rock experiments for its electrical property，Numerical simulations of mass and heat transfer beneath geothermal areas |
Shohei MINATO |
Geophysical exploration，Seismic wave imaging theory，Wave propagation theory，Geotechnical engineering |
| Researcher |
Masashi KODAMA |
Physical exploration (Muography) |
| with a research group
Concurrently in charge of |
Ryosuke UMEZAWA |
Measurement of electrical properties |
| Group Leader（Concurrent） |
Nobukazu SOMA |
Underground measurement engineering，Geothermal development engineering |
| Senior Researcher |
Yuki KANO |
Environmental Fluid Dynamics,Numerical Modeling |
Hiroki GOTO |
Rock mechanics，Hydrogeology |
Naoki NISHIYAMA |
Mass transfer，Geochemistry |
Takashi FUJII |
Hydraulics, Geomechanics, Interface science |
| Researcher |
Yuto NISHIKI |
Geochemistry, Mineralogy, Clay mineralogy |
| Takuya HORIKAWA |
Geophysics |
| with a research group
Concurrently in charge of（Concurrent） |
Masao SORAI |
Geochemistry，Crystal growth，Mineralogy |
| Group Leader |
Junko HARA |
Geochemistry,Geo-environmental engineering, Environmental risk |
| Senior Researcher |
Yukari IMOTO |
Environmental engineering，Soil physics |
Takeshi SAITO |
Geo-environmental engineering，Hydrology，geochemistry |
Hajime SUGITA |
Geochemistry, Chemical engineering |
Miho YOSHIKAWA |
Soil chemistry，Geo-environmental engineering，Geomicrobiology |
| Researcher |
Kyouhei TSUCHIDA |
Geo-environmental engineering，Transport phenomena |
| Group Leader（Concurrent） |
Yasuhide SAKAMOTO |
Geo-environmental engineering，Energy resource engineering |
| Career Researcher |
Xinglin LEI |
Rock mechanics，Seismology |
| Career Expert |
Yasuki OIKAWA |
Rock engineering |
| Senior Researcher |
Takashi TAKEHARA |
Rock mechanics |
Kuniyuki MIYAZAKI |
Rock mechanics，Soil mechanics |
| Researcher |
Ayaka ABE |
Crack Propagation Analysis，Reservoir engineering |
Shunya KANEKI |
Rock mechanics，Geochemistry |
Manami KITAMURA |
Rock mechanics，Structural geology |
