Firefly Health
Wellesley, US · Founded 2016 · 102 employees on LinkedIn · 10 known investors
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Firefly Health provides virtual primary care through dedicated care teams that include primary care physicians, nurse practitioners, health guides, nurses, and behavioral health specialists. Care is delivered via video calls and chat through the Firefly Health app.
Founders & leadership
Firefly Health was founded in 2016 by Jeff Greenberg and Justin Dangel.

Board
Investors · 10
How we know: a16z's portfolio · funding news · Not right? Tell us
How we know: East 11 Ventures's portfolio page · Not right? Tell us
How we know: F-Prime Capital's portfolio page · prnewswire.com · Not right? Tell us
How we know: Floating Point's portfolio page · the VCSheet dataset · Not right? Tell us
How we know: MaC Venture Capital's portfolio page · the VCSheet dataset · Not right? Tell us
How we know: Oak HC/FT's portfolio page · a partner's Signal profile · prnewswire.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: open dataset · 5k.vc investor directory · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Funding
SEC filings, press & company announcements$14.8M disclosed across 3 of 6 rounds · 2017–2021
- Undisclosed amountSeries BApr 2021Source ↗
- Undisclosed amountSeries ASep 2019
F-Prime Capital (lead), Oak HC/FT (lead)
Source ↗
▶$10.2MraisedSep 2019 · 2 investors · Other TechnologyRule 506(b)
- Andrew EllnerExecutive Officer, Director
- Jeffrey GreenbergExecutive Officer
- Justin DangelDirector
- Nancy BrownDirector
- Fay RotenbergExecutive Officer, Director
- Carl ByersDirector
- Shirley MillsExecutive Officer
- Jonathan James BushExecutive Officer, Director
- Offering amount
- $10.2M
- Amount sold
- $10.2M
- First sale
- Aug 2019
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
▶$4.1MraisedApr 2019 · 35 investors · Hospitals and PhysiciansRule 506(b)
- Andrew EllnerExecutive Officer, Director
- Justin DangelExecutive Officer, Director
- Jeffrey GreenbergExecutive Officer, Director
- Fay RotenbergExecutive Officer, Director
- Jonathan James BushDirector
- Shirley MillsExecutive Officer
- Offering amount
- $4.1M
- Amount sold
- $4.1M
- First sale
- Apr 2019
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
▶$460KraisedNov 2017 · 11 investors · Hospitals and PhysiciansRule 506(b)
- Jeffrey GreenbergExecutive Officer, Director
- Andrew EllnerExecutive Officer, Director
- Justin DangelExecutive Officer, Director
- Offering amount
- $2M
- Amount sold
- $460K
- First sale
- Oct 2017
- Incorporated
- Corporation, Delaware, 2016
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
4 people who came through Firefly Health went on to found or lead other companies.
Related companies · 4
Companies working in the same space as Firefly Health.
Frequently asked questions
- What does Firefly Health do?
- Firefly Health provides virtual primary care through dedicated care teams that include primary care physicians, nurse practitioners, health guides, nurses, and behavioral health specialists. Care is delivered via video calls and chat through the Firefly Health app.
- Who founded Firefly Health?
- Firefly Health was founded by Jeff Greenberg, Justin Dangel in 2016.
- Who are Firefly Health's investors?
- Firefly Health's investors include Andreessen Horowitz, East 11 Ventures, F-Prime Capital, Floating Point, Gaingels, MaC Venture Capital, Oak HC/FT, Premji Invest and 2 more.
- How much funding has Firefly Health raised?
- Firefly Health has disclosed $14.8M raised across 3 of its 6 known rounds.
- Where is Firefly Health headquartered?
- Firefly Health is headquartered in Wellesley, US.





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