Gregory Long is a Managing Director at Prosek Partners, whose known portfolio counts 11 companies.
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Investment focus
- Stage
- GrowthLate-StageSeed
Contacts
Affiliated funds' portfolios
Managing Director at Prosek Partners, whose known portfolio counts 11 companies
- CoreWeave
- BILT
- Isar Aerospace
- Metropolis
- Pixion Games
- Qloo
- Gopuff
- KOHO
- Ausenco
- NOYACK
- Fixated
Investor Profile
The listing covers sectors AI, Consumer, FinTech and Healthcare, and focus areas AI Infrastructure, Cloud Infrastructure, Gaming and MedTech. Startups operating in these areas may find Gregory Long relevant.
Stage-wise, the deals at Prosek Partners cluster around Growth, Late-Stage and Seed rounds.
The firm portfolio and the focus above give founders context on whether Gregory Long matches their raise.
Colleagues at Prosek Partners
Duncan Bagshaw
Co-Founder and General Counsel
Riverside, United States
Todd Boehly
Co-Founder
United States
Emily Bachman
Investor
New York, United States
Tony Minella
Co-founder and President
Greenwich, United States
Hannah Hertz
Investor
London, United Kingdom
Lisa Ohlmeyer
Partner
Nashville, United States
Frequently asked questions
Who is Gregory Long?
Gregory Long is a private equity investor and venture debt investor based in Chicago, Illinois, United States, listed as Managing Director at Prosek Partners. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Gregory Long personally.
What does Gregory Long invest in?
Listed sectors include AI, Consumer, FinTech and Healthcare; listed focus areas include AI Infrastructure, Cloud Infrastructure, Gaming and MedTech. 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 Gregory Long invest at?
Prosek Partners appears in Growth, Late-Stage and Seed rounds across its known deals, and Gregory Long 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 Gregory Long listed at?
Gregory Long is listed as Managing Director at Prosek Partners. 6 other people in the database share a firm with Gregory Long.
How do I contact Gregory Long?
An email address, a phone number and a LinkedIn page are on file for Gregory Long. 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