Jeff Yoshimura is an angel investor and operator angel based in United States with 5 known investments: ClickHouse, Sublime Security, Authzed, Ollama and Path/PathWater.
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Investment focus
- Stage
- Seed
Contacts
Jeff Yoshimura portfolio companies (5)
- ClickHouse
- Sublime Security
- Authzed
- Ollama
- Path/PathWater
Affiliated funds' portfolios
Angel Investor at Various, whose known portfolio counts 2 companies
- taalentfy
- Keas
Investor Profile
The listing covers sectors AI, Consumer and SaaS, and focus areas Cloud Infrastructure, Cybersecurity, Database and Developer Tools. Startups operating in these areas may find Jeff Yoshimura relevant.
Stage-wise, the known deals cluster around Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Various
Showing 20 of 146
Gemma Bloemen
Angel Investor/ Advisor
London, United Kingdom
Peter Kazanjy
Startup Advisor and Investor
San Francisco, United States
Jason Davis
Investor / Startup Advisor
New York, United States
Ankit Jain
Investor & Advisor
San Francisco, United States
Siddharth Puri
Investor
Singapore
Dave Vasen
Investor
San Francisco, United States
Naomi Pilosof Ionita
Startup Advisor (Product/Growth/Monetization)
San Francisco, United States
Dennis Fong
Angel / Advisor
Burlingame, United States
Sokratis Papafloratos
Angel investor
London, United Kingdom
Gabi Lewis
Investor and/or Advisor
New York, United States
David Gutelius
Investor
Reno, United States
Ben Galbraith
Investor
Palo Alto, United States
Perry Blacher
Angel Investor
London, United Kingdom
Bryan Tsao
Angel Investor
New York, United States
Manik Gupta
Investor and Advisor
San Francisco, United States
James Hilton
Board Member
London, United Kingdom
Stephen Chau
Angel Investor and Advisor
Palo Alto, United States
Anjula Acharia
Board & Advisory Roles
New York, United States
Anand Dass
Relentless cheerleader of AR/MR/VR founders
Menlo Park, United States
Rick Morrison
Investor
San Francisco, United States
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Frequently asked questions
Who is Jeff Yoshimura?
Jeff Yoshimura is an angel investor and operator angel based in United States with 5 known investments on file, among them ClickHouse, Sublime Security and Authzed. The sections above list the sectors, stages and firms attached to that record.
What does Jeff Yoshimura invest in?
Listed sectors include AI, Consumer and SaaS; listed focus areas include Cloud Infrastructure, Cybersecurity, Database and Developer Tools. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Jeff Yoshimura invest at?
The known deals of Jeff Yoshimura include Seed rounds. 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 Jeff Yoshimura listed at?
Jeff Yoshimura is listed as Angel Investor at Various. 146 other people in the database share a firm with Jeff Yoshimura.
How do I contact Jeff Yoshimura?
An email address and a LinkedIn page are on file for Jeff Yoshimura. 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