Health Rhythms
Long Island City, US · Founded 2014 · Delaware corporation · 6 employees on LinkedIn · 5 known investors
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Real-time objective behavioral health monitoring
Founders & leadership
Health Rhythms was founded in 2014 by Mark Mathews.

Investors · 5
How we know: Informed Ventures Advisors, Llc's portfolio page · Not right? Tell us
How we know: Waterline Ventures's portfolio page · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$30.9M disclosed across 3 rounds · 2021–2022
▶$18.6MraisedMar 2023 · 41 investors · Other Health CareRule 506(b)
- Gus TaiDirector
- John ChuangDirector
- Seth FeuersteinDirector
- Richard ZaneDirector
- Sunny KumarDirector
- Paul GilbertExecutive Officer, Director
- Offering amount
- $20M
- Amount sold
- $18.6M
- First sale
- Oct 2022
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$11.5MraisedNov 2022 · 29 investors · Other Health CareRule 506(b)
- Paul GilbertExecutive Officer, Director
- Sunny KumarDirector
- Gus TaiDirector
- Offering amount
- $12M
- Amount sold
- $11.5M
- First sale
- Oct 2022
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$800KraisedFeb 2021 · 5 investors · Other Health CareRule 506(b)
- Mark MathewsDirector
- Paul GilbertExecutive Officer, Director
- Offering amount
- $900K
- Amount sold
- $800K
- First sale
- Jan 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 1
Companies working in the same space as Health Rhythms.
Non-dilutive funding · 4 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2020 | $2.9M |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2020 | $1.6M |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2019 | $250.6K |
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2017 | $2.4M |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does Health Rhythms do?
- Real-time objective behavioral health monitoring
- Who founded Health Rhythms?
- Health Rhythms was founded by Mark Mathews in 2014.
- Who are Health Rhythms's investors?
- Health Rhythms's investors include CU Healthcare Innovation Fund, Informed Ventures Advisors, Llc, Waterline Ventures, City Light, Inflect Health.
- How much funding has Health Rhythms raised?
- Health Rhythms has disclosed $30.9M raised across 3 rounds.
- Where is Health Rhythms headquartered?
- Health Rhythms is headquartered in Long Island City, US.



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