What technologies does 15th Rock use?

15th Rock uses Gmail, Google Apps, Nginx, WordPress.org, reCAPTCHA. View their full technology stack — including all 11 detected tools — on StackWho.

Who is the Founder & General Partner of 15th Rock?

Tetsu Nakajima is the Founder & General Partner at 15th Rock. Get verified contact information on StackWho.

Where is 15th Rock located?

15th Rock is based in Chuo City, Tokyo, Japan.

15th Rock

15th-rock.com

venture capital & private equity

15th-rock.com

Chuo City, Tokyo, Japan

1-10 employees

LinkedIn Profile

About 15th Rock

venture capital & private equity principals, paradromics, spirete, other financial investment activities, medical devices, nobi ar, wearable tech, onera health, next new world, ai-driven automation, tent ar, human augmentation hardware, venture capital & private equity, mechasys, vc fund, hardware startups, global network, digital transformation, robotics, global vc network

15th Rock's Tech Stack

AI/ML

Decision Makers at 15th Rock

1 contact

Tetsu Nakajima

Founder & General Partner

t***@15th-rock.com Sign up to view

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11 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

15th Rock's Position in the StackWho Database

• 15th Rock is 1 of 4,994 venture capital & private equity companies tracked in StackWho.
• 4,988 venture capital & private equity companies in our database have verified decision-maker emails (100% of the cohort).
• 1,660 companies in Tokyo are in the StackWho database.
• 2,355 venture capital & private equity companies are in the 1-10 employee range (same size as 15th Rock).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does 15th Rock use?

15th Rock uses Gmail, Google Apps, Nginx, WordPress.org, reCAPTCHA, Mobile Friendly, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at 15th Rock?

StackWho has verified email addresses for 1 decision maker at 15th Rock. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 15th Rock directly for sales, recruiting, or partnerships.

What industry is 15th Rock in?

15th Rock operates in the venture capital & private equity industry, headquartered in Chuo City, Tokyo, Japan. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export 15th Rock's contact data?

Yes. StackWho Pro members can export decision maker contact data for 15th Rock and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.