Bret Siarkowski

Active Investor

Founder and General Partner at Causemo

Marlborough, Massachusetts

Bret Siarkowski, Founder and General Partner at Causemo is an active investor based in Marlborough, Massachusetts. This profile covers what Bret Siarkowski backs, at which stage, and how founders can reach out in 2026.

Investor type: AngelVCPEInvestor
Stages: Seed
Invests in: Artificial IntelligenceHealthcare & BiotechSaaS & EnterpriseConsumer & RetailDeveloper Tools & DataCybersecurityGaming & EntertainmentMedia & Content
Location: Marlborough, Massachusetts
Typical check: $250K
Past investments: 3

Notable investments

OurlyhelpCausemoElsen

How to reach Bret Siarkowski

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Frequently Asked Questions

What does Bret Siarkowski invest in?

Bret Siarkowski invests in Artificial Intelligence, Healthcare & Biotech, SaaS & Enterprise and Consumer & Retail, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.