Sjoerd Nienhuys is an architectural engineer and lived as technical advisor, consultant and project manager for 40 years in a dozen developing countries in Africa, South America and Asia.

Sayed is a former researcher at the Ministry of Rural Rehabilitation and Development (MRRD) of Afghanistan and Integrity Watch Afghanistan (IWA).

Sachiko Nakagawa is a PhD student at the Faculty of Policy Management, Keio University, Japan.