David Marsteller, Angel investor in Miami is an active investor based in Miami, Florida. This profile covers what David Marsteller backs, at which stage, and how founders can reach out in 2026.
David Marsteller bridges strategy, execution, and investment, deploying AI and video systems and funding founders before Series A.
David Marsteller invests in Artificial Intelligence, Media & Content and SaaS & Enterprise, typically at Pre Seed and Seed.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Artificial IntelligenceMedia & ContentSaaS & Enterprise
- Location
- Miami, Florida
- Typical check
- $150K
How to reach David Marsteller
Angels and operators like David Marsteller reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "David Marsteller." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/david-marsteller
Frequently Asked Questions
Who is David Marsteller?
David Marsteller, Angel investor in Miami is an active investor based in Miami, Florida. David Marsteller invests in Artificial Intelligence, Media & Content and SaaS & Enterprise, typically at Pre Seed and Seed.
What does David Marsteller invest in?
David Marsteller invests in Artificial Intelligence, Media & Content and SaaS & Enterprise, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does David Marsteller invest at?
David Marsteller typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is David Marsteller's typical check size?
David Marsteller typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.