Doctor of Medicine, Heidelberg University, Germany, 1996. Doctor of Philosophy, Heidelberg University, Germany, 2003.
Research fellow Heidelberg University, 1996—1997, lecturer, 1999—2003. Research fellow Danish National Institute Social Research, Copenhagen, 1997—1998, Austrian Academy of Sciences, Vienna, 1998, Roskilde University, Denmark, 1998—1999. Senior researcher Bremen University, Germany, 2003.
Project director senior researcher Mannheim University, MZES, Germany, since 2005. Consultant World Health Organization, Copenhagen, 1997.
Member of Japan Society for the Promotion of Science, Humboldt Network, Research Committee Sociology of Health, Remote Control 15/ Industry Standard Architecture, Research Committee Poverty, Social Welfare and Social Policy, Remote Control 19/ Industry Standard Architecture, German Sociological Association, International Sociological Association.
Married Sabine Kubesch. Children: David Claus, Jonas Merlin.