SOR participates in the following organisations
- Center for Healthcare Operations Improvement and Research (CHOIR)
- Faculty of Electrical Engineering, Mathematics and Computer Science
- Department of Applied Mathematics
- Landelijk Netwerk Mathematische Besliskunde (LNMB)
- Applied Mathematics Institute (AMI)
- Beta
- Digital Society Institute (DSI)
- Twente Graduate School
- Industrial Engineering @ UT
- STAR
- Platform Wiskunde Nederland