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J-STAR

Private equity

Chiyoda, Tokyo · Growth–Late Stage · 29 people tracked

Also known as J-STAR Co.Ltd,

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Investment thesis

J-STAR is a Japan-born private equity firm focused on small and medium-sized enterprises. Guided by a philosophy of making all stakeholders 'shine', it aims to help companies resolve management issues through investment. The firm selects the most suitable investment methods for each situation and works closely with the management teams of its portfolio companies as a partner, jointly building and implementing business strategies to maximize business value. Active since 2006, the firm has made more than ten investments annually over recent years, accumulating over 100 investments to date.

Invests inSector AgnosticJapan

Source: firm website, verified Oct 1, 2026.

Stage
Growth–Late Stage
HQ
Chiyoda, Tokyo, JP
Instruments
Equity
Founded
2006
Private fund assets
$929.2M

Team · 29 people

from the firm's website
Gregory Rokuro Hara· Chief Executive and Managing Partner, Chairman of the Investment Committee
Hideaki Sakurai· Managing Partner, Investment
Huan Zhao· Partner, Investment
Kazumasa Ohara· Partner, Investment
Kenichi Harada· Partner
Masayoshi Nakajima· Partner, Investment
Satoru Arakawa· Partner, Investment
Tatsuya Yumoto· Managing Partner, Investment
Yuki Kashiyama· Partner, Investment
Yutaka Tozaki· Partner, Investment
Hisato Iwamoto· Principal, Investment
Kazumasa Kodaira· Principal, Investor Relations
Keita Ozawa· Principal, Operations
Kento Nakasako· Principal, Investment
Norio Adachi· Principal, Investment
Satoshi Fujitani· Principal, Investment
Shunsuke Nishikawa· Principal, Investment
Takashi Fukui· Principal, Investment
Yasunobu Shinoda· Principal, Investor Relations / Operations
Jun Negishi· Manager, Human Resources
Keiko Oai· Manager, Investment
Ko Yamaguchi· Manager, Investment
Satoshi Ito· Manager, Investment
Shuichi Uchiyama· Manager, Investment
Shunsaku Ohama· Compliance Officer, Operations
Suguru Nishioka· Manager, Internal Audit
Takuma Naito· Manager, Investor Relations
Wataru Hirokawa· Manager, Investment
Yusuke Yamada· Analyst, Investment

Frequently asked questions

What stage does J-STAR invest at?
J-STAR invests at the Growth, Late Stage stages.
What sectors does J-STAR focus on?
J-STAR focuses on Sector Agnostic.
Where is J-STAR located?
J-STAR is headquartered in Chiyoda, Tokyo, JP.

Images

J-STAR photo

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