OHDSI has a variety of ongoing projects lead by Working Group teams. We would be delighted to have your participation. Please contact the team lead to join.

Working group leaders looking for assistance on uploading meeting recordings can find help here:

How to upload meeting recordings on the OHDSI wiki

A list of upcoming working group meetings is available here: Working Group Meeting Schedule

Active Workgroups:

• OHDSI Community
• Algorithmic Phenotyping
• CDM and Vocabulary Development WG
• Causal Inference
• Chart Review Question Interface Project
• China WG
• Clinical Trials WG
• Devices WG
• EHR WG
• Genomics WG
• GIS WG
• Gold-Standard Phenotype Library
• Hadoop WG
• Latin OHDSI
• NLP WG
• Maternal & Child Health
• OHDSI Steering Working Group
• Oncology WG
• PGHD WG
• Patient-Level Prediction WG
• Pharmacovigilance evidence investigation (used to be Knowledge Base / Laertes)
• Population-Level Estimation WG
• Psychiatry WG
• Quality Measures WG
• Transfusion WG
• Women of OHDSI
• Data Quality
• UK BioBank

• New Work Group Wiki Template

Workgroups on Hiatus:

• Architecture WG
• Atlas & WebAPI WG
• Dissemination WG
• FHIR WG
• The Book of OHDSI WG
• THEMIS (Part of CDM Working Group now)
• Metadata and Annotations WG

Archived Workgroups & Projects:

• Achilles WG
• CMS ETL WG
• Cohort Definition WG
• Cohort Summarization WG (HERACLES)
• Penelope WG
• Patient Visualization WG
• Phenotyping WG
• Vocabulary / Population Visualization
• Cerner to OMOP