Kathleen Hanna (born November 12, 1968) is an American musician and feminist activist. Her music is mostly punk rock and indie rock. She was the singer of Bikini Kill from 1990-1997. In 1998 she released a solo album called "Julie Ruin". In the same year she formed Le Tigre with her friend Johanna Fateman. In 2010 she formed a band called The Julie Ruin. They released their first album "Run Fast" in September 2013. The band went on tour after the release to support the album.