TIER IV: Portfolio, Team & Key Contacts (2026)

The firm's listing covers sectors AI and Hardware, and focus areas Autonomous Vehicles, Computer Vision, Open Source and Robotics; known deals cluster at Seed and Series B.

The team counts 4 people in our database. Akimichi Degawa (Tier IV Co-founder and Chairman), Ayumi Carey (Strategic Partnerships Leader) and Soshun Arai (Investor) are shown as the contacts to pitch.

Frequently asked questions

What is TIER IV?

TIER IV is a corporate venture arm based in Tokyo, Japan, with a known portfolio of 4 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.

What does TIER IV invest in?

Listed sectors include AI and Hardware; listed focus areas include Autonomous Vehicles, Computer Vision, Open Source and Robotics. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.

What stage does TIER IV invest at?

The known deals of TIER IV include Seed and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.

Who should I pitch at TIER IV?

3 of the 4 people on file at TIER IV are listed as contacts for the firm. All 4 have their own profile page.

How do I contact TIER IV?

Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 4 people attached to the firm have their own pages, each showing whether an address is on file for them.

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