Complex sentence: Rosen partnered with long time friend and co-founder of Studio 54, Ian Schrager to transform the 123 year-old Gramercy Park Hotel with minimalist architect John Pawson.
Split into simpler sentences: Rosen partnered with long time friend and co-founded Studio 54 with Ian Schrager. They also transformed the 123 year-old Gramercy Park Hotel with minimalist architect John Pawson.