Cecilia Stallsmith is an angel investor and operator angel based in Menlo Park, California, United States with 4 known investments: Slack, Let's Dive, Mobile.dev and CodeSandbox.
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Investment focus
- Focus
- Developer ToolsEnterprise SaaSSoftware EngineeringUser Interface DesignWeb Development
Contacts
Cecilia Stallsmith portfolio companies (4)
- Slack
- Let's Dive
- Mobile.dev
- CodeSandbox
Investor Profile
The known portfolio sits in sectors Consumer, Education and SaaS, and focus areas Developer Tools, Enterprise SaaS, Software Engineering and User Interface Design.
The portfolio and focus above give founders context on whether Cecilia Stallsmith matches their raise.
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Frequently asked questions
Who is Cecilia Stallsmith?
Cecilia Stallsmith is an angel investor and operator angel based in Menlo Park, California, United States with 4 known investments on file, among them Slack, Let's Dive and Mobile.dev. The sections above list the sectors attached to that record.
What does Cecilia Stallsmith invest in?
Listed sectors include Consumer, Education and SaaS; listed focus areas include Developer Tools, Enterprise SaaS, Software Engineering and User Interface Design. 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.
How do I contact Cecilia Stallsmith?
An email address and a LinkedIn page are on file for Cecilia Stallsmith. 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 6 September 2026 · How this data is built · Report a correction or request removal