Dimitri Maex and Paul B. Brown are co-authors of Sexy Little Numbers: How to Grow Your Business Using the Data You Already Have (Ogilvy & Mather with Crown Business, a division of Random House Inc., 2012). Maex is managing director of OgilvyOne New York, Ogilvy & Mather's direct and digital operations. He also heads the company's Global Data Practice. Brown is a longtime contributor to the New York Times and co-author with Carl Sewell of Customers for Life (Doubleday Business, 1990).