Mateyas was born in Zagreb, Croatia. She moved to US in 1999. She is sister of Tajči, a Croatian-American singer and former pop-star in ex-Yugoslavia.
In 2004, Sanya Mateyas was one of the composers and performers in I Thirst: The Crucifixion Story, a live performance recorded to DVD, which was inspired by Jesus' crucifixion. The other artists included her sister.
She was a leader and a Composer for her Los Angeles-based hard-rock band Duda Did It, with an independent album released in 2008.
