Biography
Jussi Adler-Olsen, also credited as Carl Valdemar Jussi Henry Adler-Olsen, is a Danish crime fiction writer. Born on 2 August 1950 in Copenhagen, he is best known for his Department Q series of novels, which began with The Keeper of Lost Causes (also known as Mercy) in 2007.
The series has been adapted into several Danish feature films and the 2025 Netflix television series Dept. Q. Adler-Olsen made his debut as a nonfiction writer in 1984 and as a fiction writer in 1997. He has also worked as a publisher, editor and entrepreneur.
