Complex sentence: He then studied with artists Jerry Moriarty, Will Eisner and Robert Weaver at the School of Visual Arts, while co-publishing a large size magazine with fellow Jose Ortega: "GIN & COMIX".
Split into simpler sentences: He then studied with artists Jerry Moriarty, Will Eisner and Robert Weaver at the School of Visual Arts. At the same time, he co-published a large magazine with fellow Jose Ortega: "GIN & COMIX".