Doctor of Medicine, Karolinska Institute, Stockholm, 1983. Doctor of Philosophy, Linkoping University, Sweden, 1989.
Junior physician University Hospital, Linkoping, 1983-1987, physician department social medicine, 1987-1993, consultant physician, since 1994, associate professor department social medicine, 1992-1997. Professor department social medicine, since 1998. Assistant professor department computer science Linkoping University, 1989-1991, associate professor, director research laboratory, since 1989.
Coordinator World Health Organization Safe Sports Network, since 2004. Invited lecturer numerous international science conferences.
Married Carina Wennergreh, May 15, 1986 (divorced 1990). Children: Simon, Jonathan.