Olga Eleftheriou obtained her BA degree in Political Science and Public Administration from the National University of Athens and completed her MA on Migration and Social mediation at the University of Almeria, Spain. She is a certified group facilitator/ Team Animator and a trained mental health counselor. She has worked with immigration issues, the urban space and marginalization, the implementation of integration techniques at a national and European level, as well as the effects of intercultural exchange in the formation of social integration strategies for socially sensitive groups. In Stimmuli, she is responsible for the YDCA and Active Youth Hub projects supporting youth from disadvantaged backgrounds to develop social, entrepreneurial and employability competences.