Klas Östergren was born in Stockholm in 1955 and is the author of several novels including the landmark Gentlemen (1981) and its sequel, Gangsters (2005). A leading star of Swedish literature for nearly three decades, he has won the Piratenpriset and the Doblougska prize from the Swedish Academy.
A founder of the rock band Fullersta Revolutionary Orchestra, Östergren has also worked as a translator, playwright, and scriptwriter for television and screen, and he co-wrote Mikael Håfström's film Ondskan, which was nominated for an Oscar for Best Foreign Language Film. He now lives with his wife and three children in the seafront town of Kivik in southern Sweden.