Tetsu Nakajima works as a Founding Partner at 15th Rock. The firm's known portfolio counts 10 companies.
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Investment focus
- Sector
- AIHardwareHealthcare
- Focus
- AI ApplicationsAssistive TechnologyHuman AugmentationMedical DevicesRoboticsSensors
Contacts
Affiliated funds' portfolios
Founding Partner at 15th Rock, whose known portfolio counts 10 companies
- Gojo & Company
- Pacific Meta
- Proton Intelligence
- JIZAIE
- Siiibo
- Cellid
- EneCoat Technologies
- LetzRyd
- Nobi
- YAMAP
Investor Profile
The listing covers sectors AI, Hardware and Healthcare, and focus areas AI Applications, Assistive Technology, Human Augmentation and Medical Devices. Startups operating in these areas may find Tetsu Nakajima relevant.
15th Rock appears in Growth, Seed and Series A rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Tetsu Nakajima matches their raise.
Colleagues at 15th Rock
Frequently asked questions
Who is Tetsu Nakajima?
Tetsu Nakajima is a venture capital investor based in Tokyo, Japan, listed as Founding Partner at 15th Rock. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Tetsu Nakajima personally.
What does Tetsu Nakajima invest in?
Listed sectors include AI, Hardware and Healthcare; listed focus areas include AI Applications, Assistive Technology, Human Augmentation and Medical Devices. 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 Tetsu Nakajima invest at?
15th Rock appears in Growth, Seed and Series A rounds across its known deals, and Tetsu Nakajima is listed there as Founding Partner. 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 Tetsu Nakajima listed at?
Tetsu Nakajima is listed as Founding Partner at 15th Rock. One other person in the database shares a firm with Tetsu Nakajima.
How do I contact Tetsu Nakajima?
An email address and a LinkedIn page are on file for Tetsu Nakajima. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds 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