About OHDSI

Observational Health Data Sciences and Informatics

Who we are

OHDSI is a global, open, and collaborative scientific community dedicated to generating reliable evidence from observational health data. Through the OMOP Common Data Model and an open-source tooling ecosystem, OHDSI enables reproducible, transparent, and interoperable research, connecting institutions around the world.

Mission and Vision

Mission

Empower the global community to collaboratively produce scientific evidence from observational data to improve health decisions.

Vision

A world where real-world data is used with quality, scale, and responsibility to improve population health.

How we do it

Standardization via OMOP CDM, open governance, robust comparative methods, and transparent network studies.

Watch the intro video

Get to know the community and its value proposition.