 Highlights include the Seagram Building, Lever House, W South Beach, The Jaffa, a Luxury Collection Hotel, Tel Aviv, Gramercy Park Hotel, Paramount Hotel, and Miracle Mile Shops at Planet Hollywood Resort & Casino, among other properties.Rosen is also a member of, a founding investor in, and the landlord to the Core Club in New York.Rosen is a noted collector of modern and contemporary art, owning more than 800 postwar pieces, including 100-plus works by Andy Warhol.