Private Equity

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ONE Innovators

Hideki Tsuji and three GPs launched ONE Innovators in 2023, raising a carbon-neutral venture fund in Tokyo that backs 2030–2040 commercialization...

ONE Innovators logo

ONE Innovators

ONE Innovators is a Tokyo-based venture capital fund founded in 2023. The firm focuses on investments in startups developing sustainable technologies. ONE Innovators has made 5 investments, including a Series A investment in Number 8 Bio on November 11, 2025.

General information

Firm type

Private Equity

Year founded

2023

AUM

Undisclosed

Location

Region

Asia

Country

Japan

City

Tokyo

Corporate office

1-4-1 Nihonbashi, Chuo-ku, Tokyo, Japan

Principals

Hideki Tsuji

General Partner

Shu Shimada

General Partner

Takayuki Shimizu

General Partner

Teruyoshi Murakami

General Partner

Sector focus

ClimateTechEnergy Transition & RenewablesIndustrial Tech

Frequently asked questions

Who makes investment decisions at ONE Innovators?

All four named General Partners — Hideki Tsuji, Shu Shimada, Takayuki Shimizu, and Teruyoshi Murakami — run the investment process. The firm's website does not carve out a separate CIO or investment committee, implying partnership-level decision-making.

What is the investment mandate of ONE Innovators?

ONE Innovators invests exclusively in carbon-neutral technology startups at the seed and early stages. The firm targets technologies that will reach societal deployment between 2030 and 2040, contributing to the 2050 net-zero target.

Does ONE Innovators invest outside Japan?

The firm's founding language discusses Japan's carbon-neutral imperative alongside other nations, but all disclosed offices and General Partners are based in Tokyo. Geographic scope beyond Japan has not been publicly detailed.

What is the size of ONE Innovators' fund?

The firm has not disclosed the capital raised for its inaugural fund. The AUM is undisclosed.

When did ONE Innovators close its first fund?

The firm announced the final close of its inaugural fund — ONE 1st Fund — on March 28, 2025. The fund was formally established in May 2024.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

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