Soshun Arai works as an Investor at TIER IV. The firm's known portfolio counts 4 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at TIER IV, whose known portfolio counts 4 companies
- Eve Autonomy
- Leo Drive
- OPTIMIND
- Turing Drive
Investor Profile
The listing covers sectors AI and Hardware, and focus areas Autonomous Vehicles, Computer Vision, Open Source and Robotics. Startups operating in these areas may find Soshun Arai relevant.
TIER IV appears in Seed and Series B rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Soshun Arai is worth approaching.
Colleagues at TIER IV
Frequently asked questions
Who is Soshun Arai?
Soshun Arai is a corporate venture investor based in San Francisco, California, United States, listed as Investor at TIER IV. The known portfolio of that firm counts 4 companies. That portfolio belongs to the firm, not to Soshun Arai personally.
What does Soshun Arai 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 portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Soshun Arai invest at?
TIER IV appears in Seed and Series B rounds across its known deals, and Soshun Arai is listed there as Investor. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Soshun Arai listed at?
Soshun Arai is listed as Investor at TIER IV. 3 other people in the database share a firm with Soshun Arai.
How do I contact Soshun Arai?
A LinkedIn page is on file for Soshun Arai. It is readable inside RaiseHunt after you create an account. The database holds no email address and no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal