Presstek, Inc. a provider of direct digital imaging technology, announced the appointment of Barbara A. Pellow to Presstek’s board of directors. Ms. Pellow is currently the Gannett professor for electronic printing and publishing at Rochester Institute of Technology’s School of Printing Management and Sciences, as well as the administrative chair for the School of Print Media.      Presstek also announced that  William T. Davison has been appointed to the newly created position of vice preside...