An operator angel based in New York, United States, Michael Kempner has 2 known investments: Lighting Science Group and MutualMarkets.
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Investment focus
- Stage
- Late-StageSeed
- Focus
- Advertising TechnologyLighting HardwareMachine LearningMarketing Technology
Contacts
Michael Kempner portfolio companies (2)
- Lighting Science Group
- MutualMarkets
Investor Profile
The known portfolio sits in sectors AI, Commerce and Energy, and focus areas Advertising Technology, Lighting Hardware, Machine Learning and Marketing Technology.
Stage-wise, the known deals cluster around Late-Stage and Seed rounds.
The portfolio and focus above give founders context on whether Michael Kempner matches their raise.
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Frequently asked questions
Who is Michael Kempner?
Michael Kempner is an operator angel based in New York, United States with 2 known investments on file, among them Lighting Science Group and MutualMarkets. The sections above list the sectors and stages attached to that record.
What does Michael Kempner invest in?
Listed sectors include AI, Commerce and Energy; listed focus areas include Advertising Technology, Lighting Hardware, Machine Learning and Marketing Technology. 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 Michael Kempner invest at?
The known deals of Michael Kempner include Late-Stage and 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 Michael Kempner?
A phone number and a LinkedIn page are on file for Michael Kempner. They are readable inside RaiseHunt after you create an account. The database holds no email address 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