Doctor of Medicine, Albert Ludwig University, Freiberg, Germany, 1968. Doctor in Medicine, Heinrich-Heine University, Duesseldorf, Germany, 1979.
Intern, pediatrics University Children's Hospital, Ulm, Germany, 1970—1972, Dusseldorf, 1972—1975, senior consultant pediatrics, 1975—1981, head unit inborn errors or metabolism Rotterdam, Netherlands, 1981—1990. Head unit nutritional therapy Federal Institute Health, Berlin, 1990—1992. Director, professor Federal Institute Risk Assessment, since 1992.
Head national breast feeding committee, Berlin, since 2000. Expert, science committee food European Commission, Bussels, 2000—2003. Panel member Europen Safety authority, Bussels, since 2003.
Member of World Health Organization (participant nutrient risk assessment project 2005), Society Study Inborn Errors Metabolism, European Society Pediatrics Research.
1 child Jan Daniel.