Gaetan Castelein

Gaetan Castelein

Active Investor

Angel investor in Menlo Park

Menlo Park, California

Gaetan Castelein, Angel investor in Menlo Park is an active investor based in Menlo Park, California. This profile covers what Gaetan Castelein backs, at which stage, and how founders can reach out in 2026.

Investor type
Angel
Stages
Pre SeedSeed
Invests in
SaaS & EnterpriseArtificial Intelligence
Location
Menlo Park, California
Typical check
$150K
Past investments
3

Notable investments

CortexVMwareCerebra

How to reach Gaetan Castelein

Angels and operators like Gaetan Castelein 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 Gaetan Castelein

Application closes in --:--:--
Email Gaetan Castelein

Frequently Asked Questions

What does Gaetan Castelein invest in?

Gaetan Castelein invests in SaaS & Enterprise and Artificial Intelligence, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Gaetan Castelein invest at?

Gaetan Castelein typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Gaetan Castelein's typical check size?

Gaetan Castelein typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

How do I contact Gaetan Castelein?

Unlock Gaetan Castelein's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Gaetan Castelein