Director	Takashi Kikuchi
Visiting Principal Researcher	Takuji Waseda
Engineer	Hajime Kimura

Arctic Ocean Environment Research Group

Group Leader	Eiji Watanabe
Deputy Group Leader	Hotaek Park
Senior Researcher	Shigeto Nishino
Senior Researcher	Katsunori Kimoto	*
Senior Researcher	Jonaotaro Onodera
Senior Researcher	Mariko Hatta
Researcher	Motoyo Itoh
Researcher	Amane Fujiwara
Researcher	Satoshi Kimura
Researcher	Aymeric Servettaz
Postdoctoral Researcher	Yuanxin Zhang
Visiting Researcher	Miaki Muramatsu

Arctic Geochemical Cycle Research Group

Group Leader	Masayuki Takigawa
Deputy Group Leader	Hideki Kobayashi
Principal Scientist	Yugo Knaya	*
Principal Scientist	Prabir K. Patra	*
Visiting Principal Researcher	Akihiko Ito
Visiting Principal Researcher	Koji Fujita
Senior Researcher	Kazuyoshi Suzuki
Senior Researcher	Kazuyuki Saito	*
Senior Researcher	Fumikazu Taketani	*
Senior Researcher	Shin Nagai	*
Researcher	Takuma Miyakawa	*
Researcher	Hisashi Sato
Researcher	Keiko Konya
Visiting Researcher	Hiroto Nagai
Visiting Senior Researcher	Takayuki Nuimura
Postdoctoral Researcher	Takeshi Kinase
Postdoctoral Researcher	Naveen Chandra
Postdoctoral Researcher	Yota Sato
Postdoctoral Researcher	Roxanne Lai
Research Assistant	Kyoko Ikeda
Research Assistant	Tadao Inoue
Research Assistant	Yuji Yanagi
Research Assistant	Yuki Sekiya

Pan-Arctic Climate Change Projection Research Group

Group Leader	Yoshiki Komuro
Visiting Principal Researcher	Hiroyasu Hasumi	*
Researcher	Manabu Abe	*
Researcher	Ryusuke Masunaga
Researcher	Fuyuki Saito	*
Researcher	Kazuya Kusahara	*
Project Researcher	Jun Ono
Research Assistant	Hiroshi Muramatsu	*

Arctic Observation Technology Development Group

Group Leader	Hiroshi Yoshida
Senior Researcher	Shojiro Ishibashi	*
Senior Researcher	Tatsuhiro Fukuba	*
Researcher	Yoshiyuki Nakano	*
Project Senior Research Technician	Kiyotaka Tanaka
Senior Engineer	Yasuhisa Ishihara	*
Engineer	Yosaku Maeda	*
Project Engineer	Hiroshi Matsumoto	*
Research Assistant	Makoto Sugesawa
Guest Researcher	Tatsuro Yonekura