An angel investor and operator angel based in Brooklyn, New York, United States, Tim Geisenheimer has 9 known investments: Twitter, Crew, Attentive, 1sm, Composer, Magellan.ai, Timber, Hopps and Poggio.io.
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Investment focus
Contacts
Tim Geisenheimer portfolio companies (9)
- Crew
- Attentive
- 1sm
- Composer
- Magellan.ai
- Timber
- Hopps
- Poggio.io
Investor Profile
The known portfolio sits in sectors AI, Consumer and SaaS, and focus areas Analytics, CRM, Customer Success and Email Marketing.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
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Frequently asked questions
Who is Tim Geisenheimer?
Tim Geisenheimer is an angel investor and operator angel based in Brooklyn, New York, United States with 9 known investments on file, among them Twitter, Crew and Attentive. The sections above list the sectors and stages attached to that record.
What does Tim Geisenheimer invest in?
Listed sectors include AI, Consumer and SaaS; listed focus areas include Analytics, CRM, Customer Success and Email Marketing. 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 Tim Geisenheimer invest at?
The known deals of Tim Geisenheimer include Pre-Seed 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 Tim Geisenheimer?
An email address, a phone number and a LinkedIn page are on file for Tim Geisenheimer. 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 5 September 2026 · How this data is built · Report a correction or request removal
