| STAFF |
| FELLOW |
| BACKES Moritz Peter | ADT-TR | User 50% | |
| BACKHAUS Malte | ADE-ID | User 25% | |
| DORDEVIC Milos | CMG-PS | User 70% | |
| KASPAR Jan | CMT | User 100% | |
| YOUNG Christopher | ADP-OS | Becomes STAFF | |
| DOCT |
| TECH |
| COLMENERO MOLINA Jose | SFT | Leaves CERN | |
| DONDELEWSKI Oskar (resignation) | CMX-DA | Leaves CERN | |
| HA Karel | LBC | Leaves CERN | |
| KOSTOGLOU Sofia | DT-TP | User 100% | |
| MATEJA Mateusz | LBC | User 30% | |
| STARK Max Gunter | SFT | Leaves CERN | |
| CASS |
| ABREU AGUILAR Henso Javier | ADE-MU | User 100% | |
| PJAS |
| COAS |
| ASSOCIATE |
| TRAINEE (ADI) |
| MOREIRA LEITE Bruno Daniel | ADE-CA | User 100% | |
| VIANA BARBOSA Joao Vitor | LBC | Becomes Fellow | |
| ADMIN |
| GIANNIKOPOULOU Maria | AGS-SE | Leaves CERN | |
| EXTERNAL |
