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Cooler Heads
San Diego, US · Founded 2018 · Delaware corporation · 45 employees on LinkedIn · 13 known investors
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Cooler Heads develops scalp cooling technology to prevent hair loss in cancer patients undergoing chemotherapy. The company manufactures the Amma scalp cooling system for oncology clinics and hospitals.
Founders & leadership
Cooler Heads was founded in 2018 by Kate Dilligan.
Board
Investors · 13
How we know: Ad Astra Ventures's portfolio page · Not right? Tell us
How we know: Aloft VC's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Bacchus Venture Capital's portfolio page · Not right? Tell us
How we know: California Innovation Fund's portfolio page · Not right? Tell us
How we know: Golden Seeds's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Mutual Capital Partners's portfolio page · Not right? Tell us
How we know: NuFund Venture Group's portfolio page · Not right? Tell us
How we know: Robin Hood Ventures's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$22M disclosed across 3 rounds · 2023–2026
▶$3.3MraisedJul 2026 · 35 investors · Other Health CareRule 506(b)
- KATHLEEN DILLIGANExecutive Officer, Director
- MARIA GONZALEZ-BLANCHDirector
- LIZ ZAMBORYDirector
- MICHAEL SCHOTZINGERDirector
- JASON PESTERFIELDDirector
- Offering amount
- $6M
- Amount sold
- $3.3M
- First sale
- Jul 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$10.6MraisedMay 2025 · 42 investors · Other Health CareRule 506(b)
- KATHLEEN DILLIGANExecutive Officer, Director
- MARIA GONZALEZ-BLANCHDirector
- MICHAEL SCHOTZINGERDirector
- LIZ TODIADirector
- Offering amount
- $11.3M
- Amount sold
- $10.6M
- First sale
- Apr 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$8.2MraisedApr 2023 · 95 investors · Other Health CareRule 506(b)
- Maria Gonzalez-BlanchDirector
- Kathleen DilliganExecutive Officer, Director
- Offering amount
- $9.3M
- Amount sold
- $8.2M
- First sale
- Mar 2023
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
3 people who came through Cooler Heads went on to found or lead other companies.
Related companies · 2
Companies working in the same space as Cooler Heads.
Non-dilutive funding · 2 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Institutes of Health (NIH)National Institutes of Health | Phase II | 2022 | $2.1M |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2021 | $211K |
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 Cooler Heads do?
- Cooler Heads develops scalp cooling technology to prevent hair loss in cancer patients undergoing chemotherapy. The company manufactures the Amma scalp cooling system for oncology clinics and hospitals.
- Who founded Cooler Heads?
- Cooler Heads was founded by Kate Dilligan in 2018.
- Who are Cooler Heads's investors?
- Cooler Heads's investors include Ad Astra Ventures, Aloft VC, Astia, Bacchus Venture Capital, CAL Innovation, California Innovation Fund, Golden Seeds, Mutual Capital Partners and 5 more.
- How much funding has Cooler Heads raised?
- Cooler Heads has disclosed $22M raised across 3 rounds.
- Where is Cooler Heads headquartered?
- Cooler Heads is headquartered in San Diego, US.