Born in Athens in 1961, she studied painting at the Athens School of Fine Arts (1979-1986) under Yiorgos Mavroidis, Yannis Moralis and Dimitris Mytaras (1979-1986). She had her first solo exhibition in Athens in 1987. Since then she has shown her work in a series of other solo and group exhibitions. She has been teaching art in Secondary Education. Vlachaki has been engaged in illustrating books and book-covers. Her works can be found in Kouvoutsakis Art Institute, Vorres Museum, National Gallery, the Hellenic Parliament and in private collections. She ives and works in Athens, Greece.