Sara Du is an angel investor and operator angel based in San Francisco, California, United States. The known portfolio counts 10 companies: Flora, Artie, Didero, Orchard Robotics, Mastra, Momentic, Browser Use, Haize Labs, Silna Health and Weights.
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Investment focus
- Sector
- SaaS
Contacts
Sara Du portfolio companies (10)
- Flora
- Artie
- Didero
- Orchard Robotics
- Mastra
- Momentic
- Browser Use
- Haize Labs
- Silna Health
- Weights
Affiliated funds' portfolios
Fellow at The Thiel Foundation, whose known portfolio counts 9 companies
- BRINC Drones
- Envisagenics
- Cafe X Technologies
- Sweet
- Kisan Network
- Teal Drones
- Dreambound
- gifs.com
- neusleep
Investor Profile
Founders in the listed sector SaaS, and focus areas Enterprise SaaS and Messaging will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Series A and Series B rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at The Thiel Foundation
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Frequently asked questions
Who is Sara Du?
Sara Du is an angel investor and operator angel based in San Francisco, California, United States with 10 known investments on file, among them Flora, Artie and Didero. The sections above list the sectors, stages and firms attached to that record.
What does Sara Du invest in?
Listed sectors include SaaS; listed focus areas include Enterprise SaaS and Messaging. 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 Sara Du invest at?
The known deals of Sara Du include Series A and Series B 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 Sara Du listed at?
Sara Du is listed as Fellow at The Thiel Foundation. 2 other people in the database share a firm with Sara Du.
How do I contact Sara Du?
An email address and a LinkedIn page are on file for Sara Du. 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