Bachelor, Augustana College, 1964. Doctor of Philosophy, Lund University, 1974.
Assistant professor history Lund (Sweden) University, 1974-1975, associate professor history, 1975-1979, Växjö University, Sweden, 1978-1979. Research associate Secretariat for Futures Studies Cabinet Office, Stockholm, 1975-1979, Swedish Institute of International Affairs, Stockholm, 1979-1997. Special consultant Department of Defense, 1981-1982.
Assistant director, deputy director, director studies Swedish Institute of International Affairs, 1983-1988, director, 1988-1997. Member governor board Royal Swedish Academy War Sciences, 1985—1989. Member Swedish Comn.
Military History, Royal Swedish Academy Naval Science. Director department strategic studies Swedish National Defense Colonel, 1994—2001. Professor strategic studies Swedish National Defense Co.l, since 1996.
Chairman National Defense Association, 1997—2000. Member Council International Institute Strategic Studies, 1985—1992, director, 1992—1993. Research advisor Folke Bernadolle Academy, since 2006.
Captain Swedish Army Active Reserve, since 1973. Member Rotary.
Married Ingrid M. Neering, 1977. Children: Camilla, Susanna.