We're out to solve the measurement problem in mental health.

Anytime a clinician asks a patient how they’re doing, the answer should be informed by accurate and sensitive measures of health.

We're standardizing digital health measurement so it can be deployed in any context and at any scale.

The Willis Ecosystem

The tech infrastructure needed for open and standardized measurement

Open source library of methods for digital health measurement


Commercial-grade digital health measurement pipeline


Production-ready APIs for digital health measurement


Plug-and-play frontend modules for digital health measurement

If you're a researcher, check out OpenWillis.

Products and Services

Tech-enabled products to deploy standardized measurement at scale

Digital measurement from clinical interviews

Process clinical interview recordings for digital health measures. Accurately and sensitively measure treatment response without adding operational burden to your study.

Digital measurement through platform integrations

Consolidate the number of digital heath apps in your study by integrating our platform-agnostic measures into the study app. Improve patient, site, and sponsor experience.

Research collaborations for model development

Work with us to develop novel digital health measures. When you integrate them into the Willis Ecosystem, you make them freely accessible to researchers and scalable across the industry.

If you're interested in learning more about our products, please getintouch@bklynhlth.com.