Investor profile
Jack Neumark
Private equity, Venture debt & Co-CEO & Managing Partner at Fortress Investment Group
Jack Neumark works as a Co-CEO & Managing Partner at Fortress Investment Group. The firm's known portfolio counts 10 companies.
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Investment focus
- Stage
- Late-StageSeed
Contacts
Affiliated funds' portfolios
Co-CEO & Managing Partner at Fortress Investment Group, whose known portfolio counts 10 companies
- Ripple
- Dataminr
- Dynasty Financial Partners
- Bravo
- MARELLI
- Pure Salmon Japan
- Blue Raven Solutions
- Hollywood Feed
- Island Energy
- SDRE Homebuyers
Investor Profile
Founders in the listed sectors Consumer, FinTech, Hardware and SaaS, and focus areas Communications Infrastructure, Consumer Electronics, Crypto and Telecommunications fall inside that listing.
Fortress Investment Group appears in Late-Stage and Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Jack Neumark matches their raise.
Colleagues at Fortress Investment Group
Showing 20 of 64
Pete Briger
Executive Chairman
Menlo Park, United States
Michel Dimitri
Managing Director
New York, United States
Tony Traynor
Managing Director
Ireland
Marcus Muller
Managing Director
Frankfurt, Germany
Sage Mandel
Director
New York, United States
Mac Maynard
Director
Dallas, United States
Allison Swayze
Managing Director
Dallas, United States
Sean Davatgar
Majority JV Partner
Los Angeles, United States
Peter Hausmann
Managing Director
New York, United States
Frank C.
Managing Director
New York, United States
Greg Pearson
Managing Director
United States
Varun Varkey
Managing Director
New York, United States
Marco Moser
Vice President
Frankfurt, Germany
Matthew Snyder
Vice President
New York, United States
George Kruse
Vice President
New York, United States
Mike Malone
Managing Director
Charlotte, United States
Ryan Connelly
Managing Director
Stamford, United States
Michael Perdomo
Director
New York City, United States
Brian Nicholson
Managing Director
Dallas, United States
Douglas Smith
Managing Director
Japan
Frequently asked questions
Who is Jack Neumark?
Jack Neumark is a private equity investor and venture debt investor based in Greenwich, Connecticut, United States, listed as Co-CEO & Managing Partner at Fortress Investment Group. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Jack Neumark personally.
What does Jack Neumark invest in?
Listed sectors include Consumer, FinTech, Hardware and SaaS; listed focus areas include Communications Infrastructure, Consumer Electronics, Crypto and Telecommunications. 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 Jack Neumark invest at?
Fortress Investment Group appears in Late-Stage and Seed rounds across its known deals, and Jack Neumark is listed there as Co-CEO & Managing Partner. 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 Jack Neumark listed at?
Jack Neumark is listed as Co-CEO & Managing Partner at Fortress Investment Group. 64 other people in the database share a firm with Jack Neumark.
How do I contact Jack Neumark?
An email address, a phone number and a LinkedIn page are on file for Jack Neumark. 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