[1] X-TRA was founded in Los Angeles in 1997 by artists Stephen Berens and Ellen Birrell and is published twice a year by the non-profit Project X Foundation for Art and Criticism.
In Los Angeles in the late '90s, friends and artists Stephen Berens and Ellen Birrell formed Project X, an art curatorial collective.
[2] Berens and Birrell published the first issue of X-TRA in spring of 1997 with co-founders Jan Tümlir and Jérôme Saint-Loubert Bié.
[1][2] From its initiation, X-TRA has worked collaboratively through an editorial board of volunteer artists and writers.
"[2] X-TRA hosts a range of events, supplementing the journal with programming to enhance community building.