Venture Capital

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CIRI Ventures

CiRi Ventures is a venture capital firm based in San Francisco, California. Founded in 1972, it focuses on climate innovation through investments in pre-seed...

CIRI Ventures logo

CIRI Ventures

CiRi Ventures is a venture capital firm based in San Francisco, California. Founded in 1972, it focuses on climate innovation through investments in pre-seed and seed-stage startups. The firm has made 14 investments, including a September 20, 2025, investment in MediSun Energy as part of their Seed VC - II.

General information

Firm type

Venture Capital

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

Hong Kong

Corporate office

Sector focus

Private Equity

Frequently asked questions

What stages does CIRI Ventures target?

Records list early stage and seed.

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