Herman Koch (1953) is known as a television producer and a writer. The book 'Het diner', published in 2009, was his breakthrough in the Netherlands. It was published in 17 countries. It was partly based on a true story involving a homeless woman named, María del Rosario Endrinal Petit, in Barcelona (Spain), in December 2005.

Koch was born in Arnhem, and later moved to Amsterdam. He studied Russian for some months, and lived in Finland for a while. Nowadays he is married to the Spanish Amalia, and has a son, Pablo (1994).