Who is Damien Nutchs Ross from Glamorama: A Novel and what is their importance?

Damien Nutchs Ross is the owner of the new club that Victor has been hired to open. He is engaged to Allison Pool and has Lauren Hynde as a girlfriend. The day after the club opening, he breaks off with Allison and goes to Miami with Lauren. He is with Lauren at the end of the book.