Training to be a WOSM Assessor to support NSOs in strengthening their capacity through GSAT! The GSAT WOSM Assessor Training for the European and Eurasia Regions brought together 8 participants (staff and volunteers) selected by WOSM for their competencies to undergo training to be WOSM Assessors, be certified under the ISO 19011 Auditing Standard and attain an expert knowledge on WOSM's Quality Standard. The training was delivered in English and completed thanks to the support of the Fédération Nationale des Eclaireurs et Eclaireuses du Luxembourg. The WOSM Assessor's key role is to conduct WOSM Assessments, meeting with the NSO to review evidences presented and score the level of the NSOs compliance of WOSM's Quality Standard - GSAT.