Carl Valdemar Jussi Henry Adler-Olsen (born 2 August 1950) is a Danish writer of crime fiction, as well as a publisher, editor, and entrepreneur.
Jussi Adler-Olsen made his debut as a nonfiction writer in 1984, and as a fiction writer in 1997.
Born in Copenhagen, he was the youngest of four children and the only boy. Son of the successful sexologist and psychiatrist Henry Olsen, he spent his childhood with his family in doctors' official residences at several mental hospitals across Denmark. In his late teens, he played in a couple of pop groups as lead guitarist. He graduated from high school in Rødovre (1970), and studied medicine, sociology (passed History of Modern Politics), and film making (exam.art.) until 1978.
After a managerial career, he began to write full-time in 1995.