* 1966 Madrid, Spain. Lives in Mexico City, Mexico.

Photos and information in UiU and Nafas:

49th Venice Biennial, 2001

Sierra paid 200 non-European men to dye their hair blond. In the exhibition, he presented video footage of the dying process.

7th Sharjah Biennial, 2005

120 Hours of Continuos Reading of a Telephone Book, 2004. Pages from an exclusive telephone book for the Arab population resident in the State of Israel. Sound of the reading of these names.