Born in 1966, USA. Graduated San Francisco Art Institute in 1991. Wall painting projects throughout the city for San Francisco Art Fund and other commissioned works between 1992 to 1997. Created a huge wall painting for the San Francisco Museum of Modern Art in 1998 which became the museum's permanent collection. Held his first solo exhibition at the Walker Art Center, Minneapolis the same year and brought impact on the American art scene. Exhibited the largest installation work for the 2001 Venice Biennale. On the other hand, activities as graffiti artist with tag name TWIST maintains his mind on the streets and the community, as the theme of works continue to come from the life of those on the streets.