Born in 1943. National of Germany. Lawyer (Universities of Heidelberg, Germany, and Lausanne, Switzerland, University Institute of European Studies, Turin, Italy).
Assistant lecturer in Public Law, University of Regensburg (1971-1977). Senior administrative posts in several federal ministries (1977-2008). Head of the Division for Narcotic Law and International Narcotic Drugs Affairs in the Federal Ministry of Health (2001-2008); Permanent Correspondent of Germany in the Pompidou Group of the Council of Europe (2001-2008); Legal Correspondent of Germany in the European Legal Database on Drugs, Lisbon (2002-2008); Chairman of the Horizontal Working Party on Drugs of the Council of the European Union (2007); Coordinator of the German delegation to the Commission on Narcotic Drugs (2001-2009).
Expert Consultant to the German Federal Ministry of Health and the Drug Commissioner of the Federal Government in international drug matters (2008-2009); Expert Consultant on drug issues to the Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) (2008-2011); Expert on several European Union drug projects (such as "Implementing the national strategy to fight drug abuse in Serbia" (INSADA) and the Central Asia Drug Action Programme (CADAP).
Member of the International Narcotics Control Board (since 2012), Member of the Standing Committee on Estimates (since 2012). Rapporteur (2013). First Vice President of the Board (2014). President of the Board (2015 - 2016).