EXPANDING HORIZONS: Fashion public relations agency Krupp Group is expanding its services with Krupp Brand Development, a new wing of the firm to focus on merchandising and product development, brokering collaborations, licensing, endorsement and sponsorship deals and multimedia development. To head the new venture, Cindy Krupp hired Cole Wassner, former senior vice president of advertising and representation agency DMA United. Wassner is a mentor for the NYC Economic Development Corp. — Fashion Fellows and his family business is the Hilldun Corp. The firm plans to work with its current p.r. clients — Jennifer Fisher, Kaufman Franco, Loeffler Randall and Eva Fehren are already signed on — as well as outside clients.