William “Bilwa” Costa is a conceptual artist who works in the performing, sound, and visual arts contexts. His work includes: performance, installation, experimental / electro-acoustic music, sound art, un/natural field recordings, graphic and conceptual scores and structures for sound and movement.

Collaboration with other artists is essential to his work. He works internationally, generating research, labs, workshops, and performance projects, actively cultivating opportunities for artists to work together on new interdisciplinary experiments.

Currently based in Berlin, Bilwa has performed, led workshops, and has lectured in N. America, UK, Europe, Asia, and Australia.