German native Daniel Domscheit-Berg, also known as Daniel Schmitt, was the former right-hand man of the website’s founder, Julian Assange, whose mission is to publish previously undisclosed or classified documents.

Mr Schmitt quit in September over disagreements about the management of WikiLeaks…

‘In his book, (Schmitt) will reveal the evolution, finances, and inner tensions of the whistleblower organization, beginning with his first meeting with Assange in December 2007,’ said Crown, a unit of Bertelsmann AG’s Random House.