| Dates | Meetings & Events | Locations |
| April 29-May 3, 2015 | Executive Committee Meeting |
Grahamstown, South Africa |
| June 5-7, 2015 | OISTAT Technology Meeting |
Stockholm, Sweden |
| June 9-11, 2015 | 9th OISTAT Theatre Architecture Competition OISTAT Architecture Meeting at Stage | Set | Scenery |
Berlin, Germany |
| June 20, 2015 | OISTAT Day at Prague Quadrennial |
Prague, Czech Republic |
| June 18-28, 2015 | OISTAT Research Meeting & Chair Election OISTAT Performance Design Meeting & Chair Election OISTAT Publication & Communication Meeting OISTAT Education Meeting Costume Design Group Meeting & Head Election Lighting Design Group Meeting Sound Design Group Meeting Space Design Group Meeting Theatre Timeline Group Meeting during Prague Quadrennial |
Prague, Czech Republic |
| June 15-August 1, 2015 | Costume Design Group with Costume at the Turn of Century Exhibition at Bakhrushin State Central Museum |
Moscow, Russia |
| September 18-22, 2015 |
Executive Committee/ Governing Board Meeting |
Novi Sad, Serbia |
| September 28-October 4, 2015 | Lighting Design Group with Hong Kong International Lighting Symposium 2015 |
Hong Kong |
