Join the Journey


As a community, we’re improving health outcomes for patients around the world. To achieve this goal, we’re developing open source analytic tools and generating high quality evidence to inform medical decision making. Whether you’re a software developer, physician or clinical researcher, there is a place for everyone in the OHDSI community. Want to become an OHDSI collaborator? Click below to get started now!

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STEP ONE: Join the Forums

Connect with other OHDSI collaborators on our community forums and start discussing how you can help us inform medical decision making.

OHDSI Tip: Once you have a forum account, you can select topics to ‘watch’. What this means is whenever a new post is added in a topic you’re watching, you will receive an email and be able to reply to the post directly through your email.

Watch the general thread to recieve details about upcoming meeting agendas, collaboration opportunities and have the weekly OHDSI digest delivered directly to your inbox!

Once you’re set up on the forums, let the OHDSI community know you’ve arrived by introducing yourself:

STEP TWO: Learn more about OHDSI

Learn more about OHDSI by watching our online tutorial videos and symposium presentations.

Check out our 2019 OHDSI Symposium Home Page: 2019 Symposium

We held several tutorials at the 2019 Symposium, and video recordings of each are available below.

OMOP Common Data Model & Standardized Vocabularies

Faculty: Christian Reich, Mui Van Zandt, Hamed Abedtash, Melanie Philofsky, Don Torok, Dmytry Dymshyts
Videos/Materials: Video • Materials on Github • Tutorial Slides

Cohort Definition/Phenotyping

Faculty: Patrick Ryan, Chris Knoll, Joel Swerdel, Cong Liu
Videos/Materials: Video 1 l Video 2 l Video 3 • Overall Tutorial Slides • PheValuator Slides • Criteria2Query Slides

Patient-Level Prediction (PLP)

Faculty: Peter Rijnbeek, Jenna Reps, Ross Williams
Videos/Materials: Video 1 l Video 2 l Video 3 l Video 4 l Video 5 • Materials on Github • Tutorial Slides

Population-Level Estimation

Faculty: Martijn Schuemie, Patrick Ryan, James Weaver, Alex Rekkas
Videos/Materials: Video 1 l Video 2 l Video 3 l Video 4 • Materials on Github • Observational Study Design Slides • Dissecting A Cohort Design Slides

Data Quality

Faculty: Andrew Williams; Vojtech Huser, Ajit Londhe, Hanieh Razzaghi, Connor Callahan, Tim Bergquist
Videos/Materials: Video 1 l Video 2 l Video 3 l Video 4 • Introduction Slides • DataQualityDashboard Slides • Testing Data Completeness with DQe-c-v2 Slides • PEDSnet Data Quality Slides • PEDSnet DQA Tutorial Slides

Extraction, Transformation, and Load Process (ETL)

Faculty: Clair Blacketer, Erica Voss
Videos/Materials: Video 1 l Video 2 l Video 3 • Materials on Github • Tutorial Slides

STEP THREE: Join an OHDSI Meeting

Every Tuesday from 12-1pm ET the OHDSI community comes together to share our recent developments and recognized the accomplishments of individual collaborators, working groups and the community as a whole. The community meetings are a great chance for newcomers to get aquainted with what’s happening across the OHDSI network.

All newcomers are asked to introduce themselves on their first call and telling the community about themselves, their background and what brought them to OHDSI. If you’d like to join an OHDSI call, please contact Maura Beaton at for join-in details and to let her know which date you’ll be joining.

If you’d like to learn more about the OHDSI community meetings, including presentations topics for upcoming meetings and recordings of past meetings, check out the community meeting wiki page:

STEP FOUR: Join an OHDSI Working Group

Share your expertise by joining one of our many working groups, or start your own work group! Learn more about OHDSI’s working groups here:

STEP FIVE: Join the OHDSI Research Network

Design, develop and test open source analytic tools. Check out the OHDSI GitHub to get started now!

Convert your data to the OMOP common data model and join our international data network.

Lead research through our international research network and/or help write OHDSI publications

Got More Questions?

Want to learn more about OHDSI? Contact us with any questions you have:

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