PD Dr Christian Lenk read philosophy, political science, and social anthropology at the University of Hamburg, Germany. From 2000 to 2002 he worked in two projects in the field of medical ethics and bioethics at the Universities of Marburg and Munster, financed by the German Research Community (DFG). He received his doctoral degree for a study on the ethical issues of enhancement technologies in biomedicine at the University of Munster in 2002. In 2002 he became a researcher and since 2004 has been assistant professor for medical ethics at the Department for Medical Ethics and History of Medicine at the University of Gottingen.; Nils Hoppe read law, with a specialisation in medical law and human rights, in Nottingham, Erlangen-Nuremberg, Goettingen and Hannover. He completed his doctorate in 2008 with a thesis on property rights in the life sciences. Nils held positions as a legal assistant in a large English law firm, legal counsel in a university hospital and as research fellow in medical ethics. He is now a senior research fellow in health law and ethics as well as co-director of the Centre for Ethics and Law in the Life Sciences (CELLS) at Leibniz Universitaet Hannover.; Katharina Beier majored in political science and German language and literature at the University of Greifswald in North-Eastern Germany. In February 2008 she finished her PhD Between persistence and revision - The biomedical challenge to political liberalism (Campus 2009). Since April 2008 she has been working as a research fellow and Project Officer for the Tiss.EU project at the Department of Medical Ethics and History in Gottingen (Germany). Her research interests comprise modern liberal theories, liberal biopolitics, questions of biomedical/genetic justice, utilitarianism as well as ethical and legal aspects of biobanks.; Claudia Wiesemann is a medical ethicist and head of the Department of Medical Ethics and History of Medicine at Gottingen University Medical School, Germany. She is also President of the German Academy of Ethics in Medicine, an academic society for Medical Ethics. In 1995, she completed her habilitation in medical history and medical ethics at the University of Erlangen-Nuernberg, Germany. Her dissertation in medical history at Muenster University, Germany, was published in 1991. She has completed all medical exams in Muenster University, Germany, in 1985 and has worked as resident from 1986 to 1988. Claudia Wiesemann has coordinated several European research projects, e.g., on the ethics of tissue research and on information and documentation networks in ethics in medicine and biotechnology. Her research focuses on the ethics of research with humans, reproductive medicine and the family. She serves as an editorial board member of several journals in the field of medical humanities.