Layer Health
Layer Health is a healthcare AI company based in Cambridge, Massachusetts, founded in 2023. Spun out of MIT, it is backed by notable investors including GV (Google Ventures), General Catalyst, and Inception Health. Led by David Sontag, the company focuses on addressing the information challenges in healthcare through advanced technologies like machine learning and large language models. The company's primary offering is its AI platform, **Distill**, which streamlines the extraction of insights from unstructured clinical data. Distill supports various tasks such as registry submissions, quality measurement, curation of real-world evidence, clinical document improvement, and revenue cycle management. It integrates seamlessly into existing healthcare systems, allowing for efficient analysis of clinical notes without the need for labeled data. Layer Health aims to empower healthcare organizations to enhance their operations and improve patient care through its innovative solutions.
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Headcount trend
Layer Health went from 6 employees in Jul 2023 to 23 in Jun 2025. Jan to Jun 2025: 10 people joined, 0 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsH-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 1 filings.
Funding
- Jun 2025 · Venture · Intermountain Ventures
- Mar 2025 · Series A · $21M · Define Ventures, Flare Capital Partners, Google Ventures
- Jan 2025 · Venture · MultiCare Capital Partners
- Nov 2023 · Seed · $4M · Google Ventures, General Catalyst, Inception Health
Peer reviews
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Anonymous peer reviews on OffTheRecord
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Layer Health FAQ
How many employees does Layer Health have?
Layer Health has about 23 employees, up 43.8% over the 3 months to Jun 2025.
Does Layer Health sponsor H1B visas?
Yes. Layer Health filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.
What is Layer Health's revenue per employee?
Layer Health makes about $43K in revenue per employee, based on $1M annual revenue and 23 employees.
How much funding has Layer Health raised?
Layer Health has raised $25M in total funding.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.