| TRIALOG |
Society for the Research on Building and Planning in the Developing World, Member of scientific board and regular editor |
| N-AERUS |
Network-Association of European Researchers on Urbanisation in the South, Coordinator, Member of Scientific Board (2006-2010) |
| DeGEval |
Gesellschaft für Evaluation e.V., (German Evaluation Association) |
| AHK-Hessen |
Architects Chamber Hesse, Germany (cert. 15549) |
| EUROSOLAR |
European Solar Energy Association |
| INURA |
International Network for Urban Research and Action |
| EWB |
Engineers Without Borders |
| Habitat Norge |
Association on promoting global urban challenges and settlement issues |
