Mark First is a Managing Director at Eos Management, whose known portfolio counts 9 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Director at Eos Management, whose known portfolio counts 9 companies
- NewChannel
- BeavEx Inc.
- LEAF Commercial Capital
- ProEnergy Services
- Gulf Pacific Rice
- KeyImpact Sales and Systems
- LEGACY Supply Chain Services
- Metasource
- Residential Mortgage Services
Investor Profile
Founders in the listed sectors Commerce, FinTech, Hardware and Real Estate, and focus areas Energy Services, IoT, Lending and Logistics fall inside that listing.
Stage-wise, the deals at Eos Management cluster around Late-Stage, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Mark First is worth approaching.
Colleagues at Eos Management
Matthew Young
Vice President
New York, United States
Craig Gottesman
Principal
New York, United States
Adam Gruber
Managing Director
Chicago, United States
David Van Steenkiste
Principal
New York, United States
Brian Young
Partner
New York City, United States
Frequently asked questions
Who is Mark First?
Mark First is a private equity investor and venture debt investor based in New York, United States, listed as Managing Director at Eos Management. The known portfolio of that firm counts 9 companies. That portfolio belongs to the firm, not to Mark First personally.
What does Mark First invest in?
Listed sectors include Commerce, FinTech, Hardware and Real Estate; listed focus areas include Energy Services, IoT, Lending and Logistics. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Mark First invest at?
Eos Management appears in Late-Stage, Seed and Series A rounds across its known deals, and Mark First is listed there as Managing Director. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Mark First listed at?
Mark First is listed as Managing Director at Eos Management. 5 other people in the database share a firm with Mark First.
How do I contact Mark First?
An email address, a phone number and a LinkedIn page are on file for Mark First. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal