who we are meet the team Diamantoula Vlantoni Diamantoula Vlantoni is a trustee of Asylos. Diamantoula has a background in social psychology and her field experience is in migration and refugees; homelessness and social exclusion; human rights; mental health and volunteerism. She has working experience in several NGO’s, in foundations and in governmental authorities. Currently she organises and delivers training sessions for asylum case workers in Greece and other European Member States. She speaks English, French, Greek and is currently learning Arabic.