Mark Sifrin, Managing Partner / Owner at Emerald SIG is an active investor based in Austin, Texas. This profile covers what Mark Sifrin backs, at which stage, and how founders can reach out in 2026.
Mark Sifrin is the Managing Partner/Owner of Emerald SIG with three decades of experience in entrepreneurship, principal investing, and finance.
Mark Sifrin invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VCPE
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- Austin, Texas
- Typical check
- $3.8M
How to reach Mark Sifrin
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Round Funded. "Mark Sifrin." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-sifrin
Frequently Asked Questions
Who is Mark Sifrin?
Mark Sifrin, Managing Partner / Owner at Emerald SIG is an active investor based in Austin, Texas. Mark Sifrin invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture and Late Stage Venture.
What does Mark Sifrin invest in?
Mark Sifrin 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 Sifrin invest at?
Mark Sifrin typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mark Sifrin's typical check size?
Mark Sifrin 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.