Director General

• KOBAYASHI Makoto (Professor)

Director Emeritus

• MASKAWA Toshihide (Professor)

Deputy Director

• HISANO Junji (Professor)

Center for Theoretical Studies

Division of Theoretical Particle Physics

• TANABASHI Masaharu (Professor)
• HISANO Junji (Professor)
• TOBE Kazuhiro (Associate Professor)
• NONAKA Chiho (Associate Professor)
• MAEKAWA Nobuhiro (Associate Professor)
• OMURA Yuji (Associate Professor)
• ABE Tomohiro (Assistant Professor)
• SHOJI Yutaro (Assistant Professor)

Division of String Theory and Mathematics

• KANNO Hiroaki (Professor)
• SHIROMIZU Tetsuya (Professor)
• SAKAI Tadakatsu (Associate Professor)
• IZUMI Keisuke (Assistant Professor)

Division of Cosmology and Theoretical Astrophysics

• SUGIYAMA Naoshi (Professor)
• NOJIRI Shinichi (Director, Professor)
• ICHIKI Kiyotomo（Associate Professor）
• NISHIZAWA Atsushi (Assistant Professor)

Computational Theoretical Physics Laboratory

• TANABASHI Masaharu (Professor)
• NONAKA Chiho (Associate Professor)
• ICHIKI Kiyotomo（Chief, Associate Professor）

Center for Experimental Studies

Division of Flavor Physics

Tau-Lepton Physics

• IIJIMA Toru (Director, Professor)
• KRIZAN Peter (Professor)
• NAKAHAMA Yu (Associate Professor)
• TOMOTO Makoto (Associate Professor)
• GAZ Alessandro (Associate Professor)
• MATSUOKA Kodai (Associate Professor)
• KATO Yuji (Assistant Professor)
• MAEDA Yosuke (Researcher)

Fundamental Astroparticle Physics

• ITOW Yoshitaka (Professor)
• NAKAMURA Mitsuhiro (Professor)
• KITAGUCHI Masaaki (Associate Professor)
• NAKANO Toshiyuki (Lecturer)
• NAKA Tatsuhiro (Assistant Professor)
• KAZAMA Shingo (Assistant Professor)

Division of Origin of Spacetime Structures

Observational Astrophysics

• NAKAZAWA Kazuhiro (Associate Professor)

Theoretical Spacetime Analysis

• NAMBU Yasusada (Associate Professor)

Instrument Development Laboratory

• NAKAMURA Mitsuhiro (Chief, Professor)
• NAKAZAWA Kazuhiro (Associate Professor)

Tau-Lepton Data Analysis Laboratory

• IIJIMA Toru (Chief, Professor)
• TOMOTO Makoto (Associate Professor)
• KATO Yuji (Assistant Professor)

Public Relations Office

• OMURA Yuji (Chief/ Associate Professor)
• NAKA Tatsuhiro (Assistant Professor)