Investor profile
Justus Byok
Accelerator, Corporate VC, Venture capital & Investor at Anthropic, Affiliated at Stealth
Justus Byok is an Investor at Anthropic, whose known portfolio counts 10 companies.
Is Justus Byok a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Affiliated funds' portfolios
Investor at Anthropic, whose known portfolio counts 10 companies
- Goodfire
- Sapiom
- Alpha-Omega
- Linux Foundation
- Open Source Security Foundation
- The Alignment Project
- Zania
- Accordance
- LocalHost
- Python Software Foundation
Affiliated at Stealth, whose known portfolio counts 6 companies
- Lingopal
- NVision Imaging Technologies
- GEMGEM
- Hilt
- Scarlet AI
- SimuPhish
Investor Profile
Founders in the listed sectors AI, FinTech, Hardware and Healthcare, and focus areas AI Safety, API, Computer Vision and Cybersecurity fall inside that listing.
Stage-wise, the deals at Anthropic cluster around Pre-Seed, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Justus Byok is worth approaching.
Colleagues
Showing 20 of 126
Hans Tung
Investor
Menlo Park, United States
Ali Sina
Founder and CEO
Irvine, United States
James Zhong
Investor
Melbourne, Australia
Amrit Saxena
Investor
San Francisco, United States
Vishal Lugani
Stealth │ Venture Capital Investor
San Francisco, United States
Stephan von Perger
Startup Partnerships
Berlin, Germany
Deepak Gupta
Investor - SPV
Saratoga, United States
Vivek Mahapatra
Angel Investor
United States
Philippe Suchet
Investor (secondary)
Tel Aviv-Yafo, Israel
Tyler Finchum
Investor
United States
Kerem Ozkan
Investor
New York, United States
James Isilay
Investor
Zürich, Switzerland
Nurzhas M.
Founder
San Francisco, United States
Christian Stiebner
Venture Partner
Germany
Ayori the Selfpreneur Selassie
Investor
San Francisco, United States
Wenyi Zhu
Angel Investor
San Francisco, United States
Bharat Mediratta
Engineer
San Francisco, United States
Zubair Jandali
Enterprise Sales
Oakland, United States
Ravi Mhatre
Investor
San Francisco, United States
Matt Piccolella
Product
San Francisco, United States
Frequently asked questions
Who is Justus Byok?
Justus Byok is an accelerator partner and corporate venture investor based in Berlin, Germany, listed as Investor at Anthropic. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Justus Byok personally.
What does Justus Byok invest in?
Listed sectors include AI, FinTech, Hardware and Healthcare; listed focus areas include AI Safety, API, Computer Vision and Cybersecurity. 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 Justus Byok invest at?
Anthropic appears in Pre-Seed, Seed and Series A rounds across its known deals, and Justus Byok 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 Justus Byok listed at?
Justus Byok is listed as Investor at Anthropic. 126 other people in the database share a firm with Justus Byok.
How do I contact Justus Byok?
A phone number and a LinkedIn page are on file for Justus Byok. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal