| Maite Elorza Plazaola | Administrative Direction | m.elorza@iisj.es |
| Manttoni Kortabarria Madina | Administration, RCSL | admin@iisj.es |
| Malen Gordoa Mendizabal | Workshop programme, Congresses, Summer courses, Residence grants | workshop@iisj.es |
| Leire Kortabarria | Publications programme, Relations with the media | publications@iisj.es |
| Ainhoa Markuleta Letamendi | Visiting scholar programme, Antia Residence | |
| Susana Arrese Murguzur | Master's programme, Oñati Community | master@iisj.es |
| Rakel Lizarralde Maiztegi | Library | iisl.library@iisj.es |
| Marije Mesonero | Accounting and quality | conta@iisj.es |
