Sérgio Dias Baptista is a Brazilian rock musician, composer and guitar player. Twice a Latin Grammy nominee, he is best known for his work with the band Os Mutantes and has been the only consistent member of the band, appearing on every album since its formation. In 2010 Sergio Dias collaborated with the band Tahiti Boy and the Palmtree Family in a project called "We are the Lilies", which also featured contributions from Iggy Pop and Jane Birkin.