OHDSI is a collaborative initiative focused on leveraging health data for large-scale analytics. The program connects researchers and health databases worldwide, with a central hub at Columbia University. The 2025 Global Symposium brought together over 400 participants to discuss enhancing trust in science and fostering international collaboration.

• OHDSI is a global network of researchers and health databases coordinated centrally at Columbia University, built on open-source tools
• The 2025 Global Symposium drew over 400 collaborators focused on boosting trust in science and advancing international network studies
• Talks, posters, and slides from the symposium are publicly available on the event's homepage