Student, Brandeis University, 1966. Doctor of Medicine, Karolinska Institute, Stockholm, 1971. Doctor of Medical Science, Uppsala (Sweden) University, 1992.
Medical director Eglise Christ Zaire Swedish Baptist Mission, Zaire, 1971-1974. Pediatrician Swedish and International Red Cross, Cambodia, 1981. Medical coordinator Uppsala University, Hanoi, Vietnam, 1983-1985.
Pediatrician, researcher department pediatrics Uppsala (Sweden) University, since 1986. Pediatrician center growth and development adopted children Children's Hospital Uppsala University, since 1996. Consultant World Health Organization, Geneva.
Member Swedish Medical Association, Swedish Pediatrics Association.
Married Anna-Karin Sjöström, June 14, 1975.