Complex sentence: Kaloust Guedel, the founder, presented the movement by its collective exhibition in LA Artcore Brewery Annex and the Excessivism Manifesto was published in Downtown News weekly in September of 2015.
Split into simpler sentences: Kaloust Guedel, the founder, presented the movement by its collective exhibition in LA Artcore Brewery Annex. The Excessivism Manifesto was published in Downtown News weekly in September of 2015.