| Director | SUGIOKA Hiroko |
| Deputy Director | KATSUI Tokihiro |
Ship Operation and Exploration Management
| Group Leader | FUCHI Masaki | Associate Professor | Graduate School of Maritime Sciences |
| SANO Mamoru | Project Assistant Professor | Cross Appointed (Nippon Marine Enterprises, Ltd.) | |
| IWAMARU Hikaru | Project Assistant Professor | Cross Appointed (Nippon Marine Enterprises, Ltd.) | |
| KUNO Mitsuteru | Project Assistant Professor | Cross Appointed (Nippon Marine Enterprises, Ltd.) | |
| DOI Haruki | Project Assistant Professor | Cross Appointed (Nippon Marine Enterprises, Ltd.) |
Marine Geophysics
| Group Leader | SEAMA Nobukazu | Professor | Graduate School of Science |
| SUGIOKA Hiroko | Professor | (Graduate School of Science) | |
| MATSUNO Tetsuo | Associate Professor | ||
| OTSUKA Hironori | Project Assistant Professor | ||
| HANYU (INOUE) Tomoko | Researcher | ||
| SHIMIZU Satoshi | Research collaborator | ||
| HAMANO Yozo | Visiting Professor | The University of Tokyo | |
| KODAIRA Shuichi | Visiting Professor | Japan Agency for Marine-Earth Science and Technology | |
| NAKAHIGASHI Kazuo | Visiting Associate Professor | Tokyo University of Marine Science and Technology |
Marine Engineering
| Group Leader | KATSUI Tokihiro | Professor | (School of Maritime Sciences) |
| YOKOKOHJI Yasuyoshi | Professor | Graduate School of Engineering | |
| AKUTAGAWA Shinichi | Professor | Graduate School of Engineering | |
| MOTOI Naoki | Associate Professor | Graduate School of Maritime Sciences | |
| HASHIMOTO Hirotada | Visiting Professor | Osaka Metropolitan University |
Submarine Volcanology
| Group Leader | KANEKO Katsuya | Professor | Graduate School of Science |
| KIYOSUGI Koji | Associate Professor | Graduate School of Science | |
| NAKAOKA Reina | Assistant Professor | Graduate School of Science | |
| TATSUMI Yoshiyuki | Visiting Professor | ||
| SUZUKI Keiko | Visiting Professor | ||
| KIMURA Jun-Ichi | Visiting Professor | Japan Agency for Marine-Earth Science and Technology |
Active Structural Geology
| Group Leader | YAMAMOTO Yuzuru | Professor | Graduate School of Science / Division of Planetology |
| MIKI Masako | Researcher |
Marine Economic Geology
| Group Leader | ISHIBASHI Junichiro | Professor | |
| HIROKAWA Mitsuya | Project Professor | Cross Appointment System (Japan Organization for Metals and Energy Security) |
Support Staff
| HIDAKA Itsuko | Research Support Assistant |
| FUJIWARA Mai | Assistant Staff |