Sofia (Sonia) Vasilaki was born in 1948 in Petrokefali, prefecture of Heraklion, Crete. She studied painting at the Athens School of Fine Arts (1967 – 1972) under Yiannis Moralis. She continued with studied in stained glass (vitrail) at the École Nationale Supérieure des Arts Appliqués et des Métiers d’Arts in Paris and at the City Lit Institute in London.
From 1977 to 2009 she taught in Secondary Education. She has taken part in many group exhibitions and has held many solo exhibitions in various cities in Greece and abroad. She is a member of the Chamber of Fine Arts of Greece.