Brett Sleyster
Venture investor in Chicago
Chicago, Illinois
Brett Sleyster, Venture investor in Chicago is an active investor based in Chicago, Illinois. This profile covers what Brett Sleyster backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestor
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & Biotech
- Location
- Chicago, Illinois
- Typical check
- $150K
- Past investments
- 1
Notable investments
How to reach Brett Sleyster
Angels and operators like Brett Sleyster 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.
Connect with Brett Sleyster
Frequently Asked Questions
What does Brett Sleyster invest in?
Brett Sleyster invests in Healthcare & Biotech, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Brett Sleyster invest at?
Brett Sleyster typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Brett Sleyster's typical check size?
Brett Sleyster typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.
How do I contact Brett Sleyster?
Unlock Brett Sleyster's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.