John Leone is an Investor at Madryn Asset Management, whose known portfolio counts 3 companies.
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Investment focus
- Stage
- GrowthLate-Stage
- Sector
- AIConsumerHealthcare
Contacts
Affiliated funds' portfolios
Investor at Madryn Asset Management, whose known portfolio counts 3 companies
- Monteris Medical
- Venus Concept
- Greenbrook
Investor Profile
Founders in the listed sectors AI, Consumer and Healthcare, and focus areas Analytics, Data, Diagnostics and Digital Health fall inside that listing.
Stage-wise, the deals at Madryn Asset Management cluster around Growth and Late-Stage rounds.
What the affiliated firm has backed is the closest available signal on whether John Leone is worth approaching.
Colleagues at Madryn Asset Management
Frequently asked questions
Who is John Leone?
John Leone is a private equity investor and venture debt investor based in New York, United States, listed as Investor at Madryn Asset Management. The known portfolio of that firm counts 3 companies. That portfolio belongs to the firm, not to John Leone personally.
What does John Leone invest in?
Listed sectors include AI, Consumer and Healthcare; listed focus areas include Analytics, Data, Diagnostics and Digital Health. 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 Leone invest at?
Madryn Asset Management appears in Growth and Late-Stage rounds across its known deals, and John Leone is listed there as Investor. 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 Leone listed at?
John Leone is listed as Investor at Madryn Asset Management. 4 other people in the database share a firm with John Leone.
How do I contact John Leone?
An email address, a phone number and a LinkedIn page are on file for John Leone. 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