Gaia involvement at ESA
| ESA/ESTEC - Mission Manager | |
| Fred Jansen | Mission Manager |
| ESA/ESTEC - Scientific Support | |
| Jos de Bruijne | System Scientist & Deputy Project Scientist |
| Timo Prusti | Project Scientist |
| Tineke Roegiers | Information Manager |
| ESA/ESAC - Science Ground Segment | |
| Asier Abreu | SOC Developer |
| Eduardo Anglada | Database Administrator |
| Neil Cheek | Science Operations Engineer |
| Gabriele Comoretto | Configuration Manager |
| Cian Crowley | Calibration / Radiation-damage Analyst |
| Pilar Esquej | Pipeline Operator |
| Juan M. Fleitas | Calibration Engineer |
| Emilio Fraile | SOC Operations Engineer and Tester |
| Rocio Guerra | Gaia Operations Team Leader |
| Jose Hernandez | Operational Data & Calibration Engineer |
| Alexander Hutton | Java Developer |
| Uwe Lammers | Gaia Science Operations Manager |
| Maria Garcia Reinaldos | Product Assurance Manager |
| Alcione Mora | Optical Engineer |
| Jose Osinde | SOC Developer |
| Mercedes Ramos | Test Engineer |
| Wouter van Reeven | SOC Developer |
| Eugenio Salguero | SOC Developer |
| Hassan Siddiqui | SOC Developer |
| ESA/ESOC - Operations | |
| Nebil Cinar | Spacon |
| Peter Collins | Spacecraft Operations Engineer |
| Maria de los Angeles Espina | Flight Dynamics Manager |
| Mark Drapes | Spacon |
| Bret Durrett | Ground (Stations) Operations Engineer |
| Alan Flowers | Spacon |
| Jens Freihofer | ICT |
| Arek Kowalczyk | Mission Data System Manager (MCS) |
| Mathias Lauer | Flight Dynamics Manager |
| James Madison | Spacon |
| Jonas Marie | Spacecraft Operations Engineer |
| Ander Martinez De Albeniz | Flight Dynamics Engineer |
| David Milligan | Spacecraft Operations Manager |
| Ran Qedar | Spacecraft Operations Engineer |
| Florian Renk | Mission Analysis |
| Andreas Rudolph | Ground Segment Manager / Flight Operations Manager |
| Lucy Santana | Ground (Stations) Operations Manager |
| Stefano Scaglioni | Product Assurance |
| Ed Serpell | Spacecraft Operations Engineer |
| Chris Smith | Analyst |
| Daniel Werner | Mission Data Systems Manager (SIM) |
| Gary Whitehead | Spacecraft Operations Engineer |
| Marco Zambianchi | Analyst |
| ESA/ESTEC - Project Team (till IOCR) | |
| Alessandro Atzei | Systems Engineer |
| Liesse Ayache | Electrical & Functional AIT Engineer |
| David Monteiro | Product Assurance & Safety Manager |
| Manuela Baroni | Project Controller & Administration Manager |
| Matthias Erdmann | Payload System Engineer |
| Daniel Escolar | Mechanical & Thermal AIV Engineer |
| Robert Furnell | System & Mission Operations Manager |
| Philippe Garé | Payload Module & Science Operation Manager |
| Frank Geerling | System Engineer (support) |
| Bénédicte Girouart | AOCS Systems Engineer (support) |
| Roy Gouka | Schedule Officer |
| Helma van de Kamp | Project Secretary & Documentalist |
| Torgeir Paulsen | Payload System Engineer |
| Joseph Pereira | AIT System Engineer |
| Giuseppe Sarri | Project Manager |
| Ared Schnorhk | AIV and Launcher Manager |
| Sam Verstaen | Electrical Systems Engineer |
| Former ESA/ESAC - Science Ground Segment | |
| Nana Bach | SOC Tester/Operator |