John Kosner is an operator angel. The known portfolio counts 11 companies: WHOOP, Overtime, Jackpocket, WSC Sports, Opendorse, Fastbreak AI, SponsorUnited, RotoQL, Videocites, 8th Wall and RecoverX.
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Investment focus
- Focus
- ARFantasy SportsLotteryMediaTechSponsorshipSports & Media focusSportsTechVideo AnalyticsWearables
Contacts
John Kosner portfolio companies (11)
- WHOOP
- Overtime
- Jackpocket
- WSC Sports
- Opendorse
- Fastbreak AI
- SponsorUnited
- RotoQL
- Videocites
- 8th Wall
- RecoverX
Investor Profile
Founders in the listed sectors AI, Consumer, Hardware and SaaS, and focus areas AR, Fantasy Sports, Lottery and MediaTech will recognize the pattern in this portfolio.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
The portfolio and focus above give founders context on whether John Kosner matches their raise.
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Frequently asked questions
Who is John Kosner?
John Kosner is an operator angel with 11 known investments on file, among them WHOOP, Overtime and Jackpocket. The sections above list the sectors and stages attached to that record.
What does John Kosner invest in?
Listed sectors include AI, Consumer, Hardware and SaaS; listed focus areas include AR, Fantasy Sports, Lottery and MediaTech. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does John Kosner invest at?
The known deals of John Kosner include Pre-Seed and Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact John Kosner?
An email address, a phone number and a LinkedIn page are on file for John Kosner. 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