An angel investor based in Cambridge, Massachusetts, United States, Sean O'Day has one known investment, LocalMaven.com dba RealtyMaven.com.
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Investment focus
- Stage
- Seed
- Focus
- BatteryMachine LearningSensorsTesting EquipmentUltrasound
Contacts
Sean O'Day portfolio company (1)
- LocalMaven.com dba RealtyMaven.com
Investor Profile
Founders in the listed sectors AI, Climate, Hardware and Real Estate, and focus areas Battery, Machine Learning, Sensors and Testing Equipment will recognize the pattern in this portfolio.
The stage tag on this profile is Seed.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Sean O'Day?
Sean O'Day is an angel investor based in Cambridge, Massachusetts, United States with one known investment on file, LocalMaven.com dba RealtyMaven.com. The sections above list the sectors and stages attached to that record.
What does Sean O'Day invest in?
Listed sectors include AI, Climate, Hardware and Real Estate; listed focus areas include Battery, Machine Learning, Sensors and Testing Equipment. 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 Sean O'Day invest at?
The database lists Sean O'Day for 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.
How do I contact Sean O'Day?
An email address, a phone number and a LinkedIn page are on file for Sean O'Day. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal