Mark St. Jean
Managing Partner at Sippewissett Capital, LLC
Boston, Massachusetts
Mark St. Jean, Managing Partner at Sippewissett Capital, LLC is an active investor based in Boston, Massachusetts. This profile covers what Mark St. Jean backs, at which stage, and how founders can reach out in 2026.
Mark St. Jean is the Managing Partner at Sippewissett Capital, LLC.
Mark St. Jean invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- Boston, Massachusetts
- Typical check
- $3.8M
How to reach Mark St. Jean
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About this profile
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Round Funded. "Mark St. Jean." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-st-jean
Frequently Asked Questions
Who is Mark St. Jean?
Mark St. Jean, Managing Partner at Sippewissett Capital, LLC is an active investor based in Boston, Massachusetts. Mark St. Jean invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture.
What does Mark St. Jean invest in?
Mark St. Jean invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mark St. Jean invest at?
Mark St. Jean typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mark St. Jean's typical check size?
Mark St. Jean typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.