1 February, 2021 Fabiola Gianotti, CERN Director-General (left) and Katrin Saarsalu-Layachi, Ambassador of the Republic of Estonia to the United Nations Office in Geneva (right) on the occasion of the notification of Estonia's Associate Membership to CERN (Image: CERN) Today, CERN welcomes Estonia as an Associate Member State in the pre-stage to Membership, following official notification that the country has finalised its internal approval procedures in respect of the Agreement granting it that status, which was signed on 19 June 2020. Over more than two decades, Estonian scientists have contributed significantly to CERN’s scientific activities and participated actively in its educational programmes. Today, Estonian scientists form a CMS team that is involved in data analysis and the Worldwide LHC Computing Grid (WLCG), with Estonia operating a Tier-2 centre in Tallinn. There is also an active group of Estonian theorists at CERN and Estonian scientists are involved in R&D for CLIC.