The researchers listed below have contributed to the production of the GDI in various capacities. Some contributors have chosen to remain anonymous and are not listed.

Ayompe Ayompe; Donald Ideh; Rachel George; Cristina Gherasimov; Mohamed Limam; Jessica Noll; Darren Olivier; Matthew Page; Gustavo Plácido dos Santos; Jessica Russell; Francis Saudubray; Sean Smith; Emmanuel Addo Sowatey; Robert Springborg; Christopher Swallow; Oumar Yelemou; Paul de Zardain.