1. Chair of Land Management, Technical University of Munich, Munich, Germany
2. International Consultant in Land Management and Land Tenure, Munich, Germany
3. Land and Global Land Tool Network Unit, Urban Legislation, Land and Governance Branch, United Nations Human Settlement Programme (UN-Habitat), Nairobi, Kenya
4. Sector Project Land Policy and Land Management, Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ), GmbH, Eschborn, Germany