Theo Schlossnagle
Principal at l42
Columbia, Maryland
Theo Schlossnagle, Principal at l42 is an active investor based in Columbia, Maryland. This profile covers what Theo Schlossnagle backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelFinance Operator
- Stages
- Seed
- Invests in
- Developer Tools & DataCybersecurity
- Location
- Columbia, Maryland
- Typical check
- $250K
- Past investments
- 3
Notable investments
BacktraceAfrican Women Entrepreneurship Cooperative
SnykHow to reach Theo Schlossnagle
Angels and operators like Theo Schlossnagle 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 Accelerator.
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Frequently Asked Questions
What does Theo Schlossnagle invest in?
Theo Schlossnagle invests in Developer Tools & Data and Cybersecurity, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Theo Schlossnagle invest at?
Theo Schlossnagle typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Theo Schlossnagle's typical check size?
Theo Schlossnagle typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Theo Schlossnagle?
Unlock Theo Schlossnagle's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.