Rongjia Cai works as an Investment at PreAngel. The firm's known portfolio counts 10 companies.
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Investment focus
- Focus
- AI AgentsAgent-Oriented ToolsEnterprise SaaSProductivitySolo-Founder Systems
Contacts
Affiliated funds' portfolios
Investment at PreAngel, whose known portfolio counts 10 companies
- CEBG Studio
- Huma Finance
- Swan Chain
- Ajuna Network
- Caspar.AI
- Gritti
- Huojianpai
- X World Games
- Harae Dx Corp
- Uptick Network
Investor Profile
Rongjia Cai is listed against sectors AI, Consumer, FinTech and SaaS, and focus areas AI Agents, Agent-Oriented Tools, Enterprise SaaS and Productivity in the database.
Stage-wise, the deals at PreAngel cluster around Pre-Seed, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Rongjia Cai is worth approaching.
Colleagues at PreAngel
Frequently asked questions
Who is Rongjia Cai?
Rongjia Cai is an operator-led investor based in Hong Kong, listed as Investment at PreAngel. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Rongjia Cai personally.
What does Rongjia Cai invest in?
Listed sectors include AI, Consumer, FinTech and SaaS; listed focus areas include AI Agents, Agent-Oriented Tools, Enterprise SaaS and Productivity. 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 Rongjia Cai invest at?
PreAngel appears in Pre-Seed, Seed and Series A rounds across its known deals, and Rongjia Cai is listed there as Investment. 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 Rongjia Cai listed at?
Rongjia Cai is listed as Investment at PreAngel. 2 other people in the database share a firm with Rongjia Cai.
How do I contact Rongjia Cai?
A LinkedIn page is on file for Rongjia Cai. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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