James Karle is a Principal at Greenbriar Equity Group, whose known portfolio counts 10 companies.
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Investment focus
- Stage
- Late-StageSeries A
Contacts
Affiliated funds' portfolios
Principal at Greenbriar Equity Group, whose known portfolio counts 10 companies
- Uber Freight
- Pursuit Aerospace
- Spireon
- Alliance Ground International
- Electrical Source Holdings
- Muth Mirror Systems
- Radwell International
- Ryan Herco Flow Solutions
- STS Aviation Group
- The Facilities Group
Investor Profile
The listing covers sectors Commerce and Hardware, and focus areas Aerospace, Automotive, Enterprise SaaS and IoT. Startups operating in these areas may find James Karle relevant.
Greenbriar Equity Group appears in Late-Stage and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether James Karle is worth approaching.
Colleagues at Greenbriar Equity Group
Jack Morris
Director
New York, United States
Noah Roy
Managing Partner
New York, United States
Noah Blitzer
Managing Director
New York, United States
Michael Weiss
Managing Partner
New York, United States
John Anderson
Operating Partner
Jacksonville, United States
Matthew Burke
Managing Director
Old Greenwich, United States
Michael Wang
Managing Director
United States
Niall McComiskey
Managing Partner
Greenwich, United States
Joel Beckman
Managing Partner
Scarsdale, United States
John Cofer
Principal
New York, United States
Frequently asked questions
Who is James Karle?
James Karle is a private equity investor based in United States, listed as Principal at Greenbriar Equity Group. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to James Karle personally.
What does James Karle invest in?
Listed sectors include Commerce and Hardware; listed focus areas include Aerospace, Automotive, Enterprise SaaS and IoT. 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 James Karle invest at?
Greenbriar Equity Group appears in Late-Stage and Series A rounds across its known deals, and James Karle is listed there as Principal. 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 James Karle listed at?
James Karle is listed as Principal at Greenbriar Equity Group. 10 other people in the database share a firm with James Karle.
How do I contact James Karle?
An email address, a phone number and a LinkedIn page are on file for James Karle. 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