John Syburg is a Founder at Blackthorne Partners, whose known portfolio counts 2 companies.
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Investment focus
- Stage
- Late-Stage
- Sector
- HardwareHealthcare
Contacts
Affiliated funds' portfolios
Founder at Blackthorne Partners, whose known portfolio counts 2 companies
- Integrated Medical Partners
- Managecore
Investor Profile
John Syburg is listed against sectors Hardware and Healthcare, and focus areas Healthcare Operations and Lower Middle Market in the database.
Blackthorne Partners appears in Late-Stage rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether John Syburg is worth approaching.
Colleagues at Blackthorne Partners
Frequently asked questions
Who is John Syburg?
John Syburg is a private equity investor based in Hartland, Wisconsin, United States, listed as Founder at Blackthorne Partners. The known portfolio of that firm counts 2 companies. That portfolio belongs to the firm, not to John Syburg personally.
What does John Syburg invest in?
Listed sectors include Hardware and Healthcare; listed focus areas include Healthcare Operations and Lower Middle Market. 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 John Syburg invest at?
Blackthorne Partners appears in Late-Stage rounds across its known deals, and John Syburg is listed there as Founder. 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 John Syburg listed at?
John Syburg is listed as Founder at Blackthorne Partners. One other person in the database shares a firm with John Syburg.
How do I contact John Syburg?
An email address, a phone number and a LinkedIn page are on file for John Syburg. 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