Presstek, Inc., a provider of direct digital imaging technology, announced that John W. Ellis has joined the company as eastern region digital imaging business manager. In his role Mr. Ellis is responsible for supporting Xpedx Import Group and the Ryobi 3404DI press in the eastern region of the U.S.      Mr. Ellis brings more than 20 years of graphic arts and customer experience to Presstek. Most recently, he was responsible for sales of electronic imaging equipment for printers at Northeaste...