Marek Madej is a concept artist at CD Projekt, the developers of The Witcher series. In addition to his contributions to that series (and in particular Witcher 3), he's also done card games, board games, film and album cover work.
Remember the madness of Watch Dog's numerous special edition combinations? Good news: The Witcher 3's having none of it. CD Projekt Red co-founder Marcin Iwinski says everyone will be treated "equally" with no exclusive content.