The Observational Health Data Sciences and Informatics (or OHDSI, pronounced "Odyssey") program is a multi-stakeholder, interdisciplinary collaborative to bring out the value of health data through large-scale analytics. All our solutions are open-source.

OHDSI has established an international network of researchers and observational health databases with a central coordinating center housed at Columbia University.

OHDSI India Chapter represents a group of OHDSI collaborators located in India who wish to hold local networking events and meetings to address problems specific to their geographic location

The chapter is a joint initiatives from Global Value Web, Janssen and JSS AHER.