Symposium 2026
Continuous Collaboration for Living Evidence Generation
The 7th European OHDSI Symposium brought the European OHDSI community together in Rotterdam to share results, ideas, tools, and collaborations around OMOP CDM, open-source analytics, real-world evidence generation, and living evidence across Europe.
The main symposium took place on Monday, April 20, 2026 aboard the SS Rotterdam. The weekend program on April 18–19, 2026 included workshops and workgroup meetings at the Erasmus MC Education Centre.
Sessions (Slides & Videos)
Watch the recordings and download the slide decks for the main symposium sessions.
Welcome, Intro to OHDSI
Opening remarks and introduction to OHDSI, setting the stage for the 2026 European symposium and the themes of collaboration, community, and evidence generation.
Collaborator Showcase Talks
A rapid and diverse series of presentations highlighting current OHDSI-related work, methods, tools, and applications from collaborators across the community.
Dreaming About The Journey Ahead
A forward-looking session focused on vision, future directions, community growth, and the next steps for living evidence generation in Europe.
Journeys of the Titans
Reflections and experiences from major contributors and leaders in the OHDSI ecosystem, highlighting lessons learned and long-term perspectives.
National Nodes
Updates and perspectives from national OHDSI nodes across Europe, showing progress, local implementation, collaboration models, and future opportunities.
The Oh! Factor
A session centered on the distinctive community spirit, collaboration dynamics, and practical ingredients that help OHDSI projects succeed.
Closing
The closing session wrapped up the symposium with final reflections, acknowledgements, and an invitation to continue the journey beyond Rotterdam.
Agenda & Program Materials
View the symposium day agenda and weekend workshop agenda.
Main Symposium Day
The main symposium day on Monday, April 20, 2026 featured sessions on evidence generation, European initiatives, tool development, national nodes, and collaborative discussion.
Weekend Workshops & Workgroups
The weekend program on April 18–19, 2026 included tutorials, workshops, and workgroup meetings at Erasmus MC Education Centre.
Symposium Booklet
Agenda, symposium information, posters, software demonstrations, sponsors, and practical information.
Program Booklet
Download the full symposium booklet as PDF.
Posters & Abstracts
Search by title, author, or poster number. Links appear when available and approved for sharing.
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Gallery
Explore moments from the full three-day European OHDSI Symposium 2026 program in Rotterdam.
Saturday, April 18, 2026
Photos from the first day of the symposium weekend program, including workshops, tutorials, community sessions, and informal networking.
Sunday, April 19, 2026
Photos from the second day of the weekend program at Erasmus MC, featuring workshops, workgroup meetings, and continued collaboration across the OHDSI Europe community.
Monday, April 20, 2026
Photos from the main symposium day aboard SS Rotterdam, including presentations, posters, software demonstrations, discussions, and networking.
Sponsors
We thank our sponsors for supporting the European OHDSI Symposium 2026.
