Thea Ntombebhongo Siqoko was born on 21 June 1966 in Tarkastad. She grew up in the Eastern Cape and finished her matric there in 1985. In 1988 she qualified as a teacher at Masibulele Teachers College. It was while studying at Masibulele that an interest in writing started, the very first poem she wrote got published in the college magazine. She continues to write poetry to this day.
Thea holds a B.Ed. Honours Degree from University of Pretoria.