John FitzSimons is an Investor at Rubicon Founders, whose known portfolio counts 8 companies.
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Investment focus
- Sector
- Healthcare
- Focus
- Digital HealthElder CareHealthcare OperationsMedTechSocialTelemedicineValue-Based Care
Contacts
Affiliated funds' portfolios
Investor at Rubicon Founders, whose known portfolio counts 8 companies
- Indigo
- Honest Health
- HarmonyCares
- Imagine Pediatrics
- Atlas Oncology Partners
- Cano Health
- Evergreen Nephrology
- Caidya
Investor Profile
John FitzSimons is listed against sector Healthcare, and focus areas Digital Health, Elder Care, Healthcare Operations and MedTech in the database.
Stage-wise, the deals at Rubicon Founders cluster around Late-Stage, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether John FitzSimons is worth approaching.
Colleagues at Rubicon Founders
Bharath Ganesan
Principal
New York City, United States
Rebecca Velez Frey
Talent Operating Partner
Nashville, United States
David M. Glaccum
Partner
Nashville, United States
Avish Ambardar
Investment Professional
Nashville, United States
Michelle Biesman
Investor
Nashville, United States
Adam Boehler
Chief Executive Officer
Nashville, United States
Sam Benevelli
Vice President
Nashville, United States
Todd E Nice
Investment Professional
Pelham, United States
Frequently asked questions
Who is John FitzSimons?
John FitzSimons is an accelerator partner and venture capital investor based in New York City, United States, listed as Investor at Rubicon Founders. The known portfolio of that firm counts 8 companies. That portfolio belongs to the firm, not to John FitzSimons personally.
What does John FitzSimons invest in?
Listed sectors include Healthcare; listed focus areas include Digital Health, Elder Care, Healthcare Operations 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 John FitzSimons invest at?
Rubicon Founders appears in Late-Stage, Seed and Series A rounds across its known deals, and John FitzSimons 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 FitzSimons listed at?
John FitzSimons is listed as Investor at Rubicon Founders. 8 other people in the database share a firm with John FitzSimons.
How do I contact John FitzSimons?
An email address, a phone number and a LinkedIn page are on file for John FitzSimons. 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