He works across varied media including drawing, painting, writing and video..[1] He studied at St Martins School of Art and Ateliers, Arnhem.
[2] In 2004, he won a Paul Hamlyn Award for the Visual Arts[3] and in 2005 he was Welsh artist-in-residence at the Venice Biennale.
[6] In 2011, Williams won the Gold Medal for Fine Art at the National Eisteddfod of Wales for his mixed media sculptures and artworks, including carved wellington boots filled with straw.
[7] His 2011, Lionheart & Lightsout brass sculpture was installed in Swansea Kingsway by Locws international’s Art Across the City event.
[10] The Starry Messenger was presented at the Ludoteca Santa Maria Ausiliatrice, Venice and explored the relationships between stargazing and the home, the cosmos, and the role of the amateur in a professional world.