2018-present CLARIN: EL Scientific responsible for the EKKE repository.
2016-2018 CLARIN- ERIC. Preparatory actions for the admission of EKKE at the CLARIN: EL (National Infrastructure for language resources, technologies and services) consortium.
2014 Core member of CESSRI, the ESS-ERIC-GR and CESSDA infrastructure committee for the inclusion of social sciences in the National Roadmap for Research Infrastructures- General Secretariat for Research and Technology. Greece
2013-2019 ESS-ERIC. National team member
1999-2005 CESSDA-ERIC. Member of the permanent data committee at EKKE. Role: preparatory actions for the admission of EKKE in the CESSDA consortium.