# CoA Nexus, Inc.

> CoA Nexus, Inc. (formerly Srust, Inc.) is a Tokyo- and Menlo Park-based deep-tech HR startup that uses proprietary AI to read tens of millions of research papers and patents, visualize a scientist's real skills, and match R&D talent with companies - from university spinouts to large manufacturers. Its flagship platform, CoA Researcher, is billed as Japan's largest researcher-matching platform, supporting full-time roles and side work across biotech, chemistry, medical science and semiconductors. The company raised a roughly ¥300 million Series A in October 2025 to expand its global researcher database and go beyond the reach of conventional job ads.

- **Founded:** 2020
- **Headquarters:** Chiyoda, Tokyo, Japan (with an office in Menlo Park, California, USA)
- **Founders:** Kota Nozaki (Founder & CEO)
- **Team size:** ~7 employees
- **Products:** CoA Researcher (CoA Career), CoA Atlas, CoA Accel, CoA Study
- **Notable:** Raised a ~¥300 million Series A in October 2025 (approx. ¥500M total to date)., Built what it describes as Japan's largest researcher-matching platform., Entered a capital and business alliance with advertising giant Hakuhodo.

## Products & services

- **CoA Researcher (CoA Career)** — A matching platform connecting R&D professionals and scientists with part-time, side-work and full-time opportunities, targeting talent in academia and industry both in Japan and abroad. Billed as Japan's largest researcher-matching platform.
- **CoA Atlas** — An AI-powered recruitment platform that analyzes 30M+ research papers and 1M+ patents to identify and visualize the skills of roughly 3 million R&D professionals for talent sourcing.
- **CoA Accel** — Hands-on support for commercialization, industry-academia collaboration and deep tech startup creation.
- **CoA Study** — A media platform featuring interviews and career stories from R&D professionals.

## Achievements

- Raised a ~¥300 million Series A in October 2025 (approx. ¥500M total to date).
- Built what it describes as Japan's largest researcher-matching platform.
- Entered a capital and business alliance with advertising giant Hakuhodo.
- Selected for the Tokyo Metropolitan Government's DX-field startup support program.
- Indexed a network of 300,000+ specialized R&D professionals with AI reach across ~3 million.
- Expanded to a US presence in Menlo Park, California.

## Latest updates

- **2025-10** — Closed ~¥300M Series A led by strategic and venture investors including Hakuhodo, Lotte Ventures Japan and Innovation Engine.
- **2025-10** — Announced plans to expand its global researcher database and international matching features.
- **2025** — Launched CoA Atlas, an AI recruitment platform analyzing 30M+ papers and 1M+ patents.
- **2024** — Rebranded from Srust, Inc. to CoA Nexus, Inc. and broadened the product suite.

## Links

- Website: https://coanexus.com
- LinkedIn: https://www.linkedin.com/company/coanexus-inc
- Twitter/X: https://x.com/CoA_KN

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Profile page: https://yespress.io/coa-nexus-inc
Published by YesPress — https://yespress.io
Last updated: 2026-07-13