Julo - e-mail:
juliusz dot zielinski at gmail dot com
Electronics-acoustics engineer, some years ago in Polish Wroclaw Technical University, later in newspapers editorial business, now in printing industrial branch. Since January 2005 involved in editing Polish Wikipedia (28,500 edits @ end of May 2008) and Wikimedia Commons (6,100), sometimes English (580) and German (220) Wikipedia, too; seldom in Czech, Russian and few other projects.
Since December 2007 administrator of Wikimedia Commons.