Bjørn Grinde (born 3 July 1952) is a biologist working in the fields of genetics and evolution, with a particular interest in human evolution. He studied natural sciences as well as psychology and anthropology at the University of Oslo, resulting in a Dr.scient (1981) and a Dr.philos (1984) from the same university. Presently he works as a chief scientist at the Norwegian Institute of Public Health, associated with the Division of Mental Health]. Many of his scientific papers have focused on molecular evolution, using viruses as a model system.
A prime interest has been to use knowledge on human behavioral biology (also referred to as evolutionary psychology) to improve health and quality of life. His most known book, meant for a general audience, Darwinian Happiness was written for this purpose. He has also published several scientific papers on the topic. See his personal website at wikispaces for a list of key publications.