Roger Waters is an English bassist, singer and songwriter, who in 1965 co-founded the rock band Pink Floyd. He is a devoted activist who throughout his career has been an outspoken internationalist and tireless anti-imperialist.

Stefania Maurizi is an Italian investigative journalist who, after 14 years working with la Repubblica and l’Espresso, currently contributes to the Italian daily Il Fatto Quotidiano. Since 2009, she has worked with Julian Assange and wikileaks to investigate their releases.