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.
Asia-Pacific
Rezwan Alam; Kogi Balakrishnan; Richard Bitzinger; James Char; Graeme Dunk; Rong-I Arthur Hong; Mohd Kamarulnizam Abdullah; Eivind Lande; Shaun Mawdsley; Noel Morada; Yeshua Moser-Puangsuwan; Chomkate Ngamkaiwan; Gregory Poling; Konstantinos Tsimonis; Napisa Waitoolkiat; Yang-Chen Wang; Shang-Su Wu.
Central & Eastern Europe
Aleksandar Radić; Anar Mammadli; Arjan Dyrmishi; Artur Sakunts; Amb. Batu Kutelia; Dr Bence Németh; Brunilda Kosta; Cristina Gherasimov; Holger Mölder; Inese Voika; Jasur Mammadov; Jordan Ugrinovski; Krzysztof Krak; Maciej Wnuk; Marian Mann; Redion Qirjazi; Rugile Trumpyte; Transparency International Lithuania; Vanja Calovic Markovic; Visar Vokrri.
East & Southern Africa
Peter Bofin; Abel Esterhuyse; Thabit Jacob; Faiz Jamie; Dylan Hendrickson; Abel Kinyondo; Oscar Mwangi; Charles Mwanzia; Tom Ogwang; Anthoni Van Nieuwkerk; Konstantinos Tsimonis.
Latin America
Vinicius De Carvalho; Christoph Harig.
Middle East & North Africa
Rachel George; Mohamed Limam; Jessica Noll; Jessica Russell; Alam Saleh; Eitan Shamir; Robert Springborg; Christopher Swallow.
West & Central Africa
Ayompe Ayompe; Donald Ideh; Darren Olivier; Matthew Page; Gustavo Plácido dos Santos; Francis Saudubray; Sean Smith; Emmanuel Addo Sowatey; Oumar Yelemou; Paul de Zardain.
North America
Blake Barkley; Ross Fetterly; Hannah Papachristidis; Ian Williams.
North & Western Europe
Jacques Aben; Ali Arbia; Guillem Colom Piella; Aude Fleurant; Ana Isabel Xavier; Petter Viggo Jakobsen; Ina Kubbe; Sebastian Larsson; Teresa Maria Ferreira Rodrigues; Marine Pradel; Laura Schousboe; Kristian Søby Kristensen; Marta Magdalena Stachurska-Kounta; Matthew Steadman; Alex Strelet; Laura Vansina; Tobias Vestner.
Other
Digdem Soyaltin; Maciej Wnuk.