Observational Health Data Sciences and Informatics (OHDSI, pronounced “Odyssey”) strives to promote better health decisions and care through globally standardized health data, continuously developing large-scale analytics and a spirit of collaboration though open science.

Founded in 2014, OHDSI is a growing collaborative of more than 2,700 researchers across disciplines, stakeholders, and geographies. OHDSI also has established an international distributed data network that applies one open community data standard and collectively contains data for more than 810 million patients around the world, and has produce a suite of open-source software packages that enables the community to translate that data into reliable evidence. 

OHDSI collaborates to establish open community data standards, develop open-source software, conduct methodological research, and apply best practices across the OHDSI data network to generate clinical evidence.

OHDSI’s research has been presented across various scientific societies and published in top medical journals. Our growing global community is always seeking new collaborators. We hope you are interested to Join The Journey!