Sofia Koutsaki was born and raised in Rhodes. She studied at the Department of Theater Studies at the Faculty of Philosophy of the University of Athens and continued her studies in London, where she studied singing, dance and acting and graduated from the postgraduate acting department specializing in Musical Theater at the Royal Academy of Music in London.
In 2001 she presented the cabaret show "Rushing in Where Angels Wouldn't" at the Theatro Technis in Camden and the Canal Café Theater in London, receiving rave reviews from the British press.
She participated in the performance "M" at the Windsor Festival in 2001, while in 2002 she participated in the "Concert for George" with the scheme of the Indian composer Ravi Shankar. She collaborated with the internationally renowned composer Michael Kamen and did the title vocals for the BBC TV mini-series “Band of Brothers”.
In 2002-2003 she collaborated with the songwriter Fivos Delivorias on the recording project "Mirror" as well as in a series of live performances at "Stavros tou Notou" in Athens and "Mylos" in Thessaloniki.
In 2011 she participated in the independent record production "Without a ticket" while since 2012 she lives permanently in Rhodes where she participates with various bands in the island's musical events. At the same time, she works as a theater Education teacher in primary education.