Pietro GUIDO, graduate in economics in Italy and specialized in marketing in the USA has carried out a long activity as corporate manager.
He is the author of many articles and books in the area of strategy and marketing.
He passed, in more recent times, to the publication of books with contents of general interest as the politics and the historical investigation.

The first author's book "Führerbunker - Discovered its Mysteries", arrived to the fifth edition, has had a great success of readers in Italy and, in the English version, all over the world.