Building the AI layer for healthcare — powered by large language models.

We’re Layer Health

Our platform enables the healthcare industry to unlock the insights they need from health data – accurately, scalably, and reliably.

Our Team

We are experts across machine learning, medicine, and human-computer interaction. We’ve been working together since 2011, and launched Layer Health in 2023.

DAVID SONTAG
Co-founder & CEO

A leader in AI for healthcare with over 100 published papers in AI and ML. On leave as a Professor at MIT in Computer Science.

DIVYA GOPINATH
Co-founder

An ML engineer and architect with deep expertise in trustworthy AI. Previously a founding engineer at TruEra and a researcher at MIT.

LUKE MURRAY
Co-founder

Expert in human-computer interaction, who architected user-friendly systems piloted in live clinical settings for thousands of patients during his Master’s in Computer Science at MIT.

MONICA AGRAWAL
Co-founder

A clinical NLP researcher and pioneer in large language models for medicine, who recently completed her PhD in Computer Science from MIT.

LEAH GAFFNEY
Product Manager

Healthcare technologist with product development expertise in medical devices and digital health. Engineering and business graduate of Harvard and MIT.

JAMES MULLENBACH
Software Engineer

Engineer with a robust background spanning the ML stack and clinical applications. Previously built core ML frameworks at Google and training pipelines at ASAPP.

PETE DAVIDS
Software Engineer

Fullstack engineer with expertise in reliability and scalability. Previously led teams at Lightstep (acquired by ServiceNow) as well as Epic.

STEVEN HORNG
Co-founder

An emergency physician and clinical informatician at Harvard Medical School with over 15 years of experience operationalizing ML in live clinical settings.

JACOVIE RODRIGUEZ
Software Engineer

Fullstack engineer with deep experience in design and technical leadership. Previously led enterprise integrations for Epic, and built clinical & agent augmentation applications at ASAPP.

ELEANOR MEHLENBACHER
Software Engineer

Expert in designing reliable and secure software platforms. Previously built cloud-native clinical applications at PathAI.

CHRIS REEDER
ML Scientist

Expert in AI/NLP for healthcare. Previously a clinical ML research group leader at Broad Institute of MIT and Harvard, builder of NLP systems at Amazon Alexa, and PhD in Computer Science from MIT.

ALASTAIR BLAKE
Chief Business Officer

A commercial leader with deep healthcare data and technology experience— both as a physician and a business innovator.

DAVID BERNICK
vCISO

Chief Information Security Officer at the Broad Institute, security lead for the NIH’s AnVIL project, and expert in security and compliance for health and biomedical applications.

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