Andrew Rosen is an American retail executive. Currently C.E.O. of Theory, Inc., a New York-based clothing retailer he co-founded in 1997, Rosen is a third-generation garment industry entrepreneur. Rosen has served for years as a judge in the CFDA Fashion Awards, and as a mentor to many of its finalists. Rosen has been a key investor in a number of emerging American designers, including Alice + Olivia, J Brand, rag & bone, and Proenza Schouler.