Benny Jonas Nilsen (born 1975), alias BJ Nilsen, BJNilsen, and Hazard, is a Swedish sound artist who lives and works in Stockholm, Sweden.
Nilsen began working with experimental music and sound at an early stage. He was influenced by the early tape movements with the pioneers of sonic assault.
In 1990, he released his first recordings at the age of 15.
In the early 1990s, he spent a couple of years as a guitarist/bass player in several local bands.
In 1996, Nilsen founded Hazard. He has since then focused on the sound of nature and its effect on humans, field recordings and the perception of time and space as experienced through sound. He closely collaborates with Chris Watson, Stilluppsteypa, and Hildur Gudnadóttir.