Mark Russo
Managing Partner at South Street Capital Resources
Morristown, New Jersey
Mark Russo, Managing Partner at South Street Capital Resources is an active investor based in Morristown, New Jersey. This profile covers what Mark Russo backs, at which stage, and how founders can reach out in 2026.
Mark Russo, Managing Partner at South Street Capital Resources, has hands-on global experience servicing middle-market companies to create growth opportunities and increase shareholder value.
Mark Russo invests in SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseFintech
- Location
- Morristown, New Jersey
- Typical check
- $3.8M
How to reach Mark Russo
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About this profile
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Cite this page
Round Funded. "Mark Russo." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-russo
Frequently Asked Questions
Who is Mark Russo?
Mark Russo, Managing Partner at South Street Capital Resources is an active investor based in Morristown, New Jersey. Mark Russo invests in SaaS & Enterprise and Fintech, typically at Early Stage Venture and Late Stage Venture.
What does Mark Russo invest in?
Mark Russo invests in SaaS & Enterprise and Fintech, 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 Russo invest at?
Mark Russo typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Mark Russo's typical check size?
Mark Russo 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.