Organizing committee member and giving speech:
- nDGIS 2009 (Secretary and speaker)
- 3D City Tutorial 2010 in Johor Bahru, Malaysia
- AGSE2011 in Nairobi, Kenya (reviewer and speaker)
- AGSE 2012 in Johor Bahru, Malaysia (3D City modeling workshop in 3 hours)
- GeoAdvances in Johor Bahru, Malaysia (Speaker)
- ISG2013 in KL, Malaysia (speaker, reviewer)
- SMPR2013 in Tehran University, Iran (speaker, reviewer, chairman for one session)
- FIG workshop in Melaka
- 3D geoinfo2013 in Istanbul Turkey (reviewer)
- FIG2014 (Presenter and Rapporteur)
- Presenting a workshop entitled “Conversion Problems of 3D models and semantic modeling” in the 1st ISPRS international Conference on Geospatial Information Research (GI Research 2014) November 1417, 2014