Carl Williams
Co-Founder and Partner at Sandbrook Capital
Houston, Texas
Carl Williams, Co-Founder and Partner at Sandbrook Capital is an active investor based in Houston, Texas. This profile covers what Carl Williams backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelPE
- Stages
- Pre SeedSeedSeries BLate Stage Venture
- Invests in
- Climate & Energy
- Location
- Houston, Texas
- Typical check
- $1.6M
- Past investments
- 11
Notable investments
How to reach Carl Williams
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Connect with Carl Williams
Frequently Asked Questions
What does Carl Williams invest in?
Carl Williams invests in Climate & Energy, typically at Pre Seed, Seed, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Carl Williams invest at?
Carl Williams typically invests at Pre Seed, Seed, Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Carl Williams's typical check size?
Carl Williams typically writes checks around $1.6M. Use it as a signal for whether your raise fits their stage.
How do I contact Carl Williams?
Unlock Carl Williams's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.