1. On Abortion, Gymnasium Sylt (2002)
  2. On Methodological Problems of An European Information, Documentation and Communication System, University of Tübingen (2004)
  3. On the Moral and Legal Dimensions of the Abortion Problem, University of Tübingen (2004)
  4. Ancient Ethics – What it Means to Live A Good Life, Deutsche SchülerAkademie, Braunschweig (07.2005)
  5. Moral Intuitions – The Stuff that Dreams are Made of?, Workshop at the University of Münster (11.2005)
  6. Three Lectures on Ethics: (1.) The Special Relation between Ethics and (Natural) Sciences, (2.) On Euthanasia, (3.) Aristotle’s Virtue Ethics, Monastery Beuron (04.2006)
  7. On Moral Reasoning in Biomedical Ethics, Ruhr-University Bochum (10.2006)
  8. Bioethics, Cultural Plurality, and Ethical Relativism, Ruhr-University Bochum (02.2007)
  9. Cross-Cultural Bioethics, Colloquium of Prof. Dr. Otfried Höffe, University of Tübingen (04.2007)
  10. Applying The Four-Principle Approach, Ruhr-University Bochum (12.2007)
  11. Interculturality, Ruhr-University Bochum (01.2008)
  12. Ethics as a Method, International Conference: “Clinical Ethics Consultation: Theories & Methods-Implementation-Evaluation”, Ruhr-University Bochum (11.-15.02.2008)
  13. Remarks on The Notion of Risk in Medical Ethics, 43. Colloquium of Radio-Oncology, Essen (03.2008)
  14. Human Dignity and Dwarf-Tossing. Autonomous Decisions at the Edge of Morality, University of Cologne (06.07.2010)
  15. Human Rights and Multiculturality, Café Libresso, Cologne (23.01.2011)
  16. Comment on: “Normative Autorität bei begründetem Dissens” (Wilfried Hinsch), University of Cologne (19.05.2011)
  17. Robosex – Childrobots as Sex Toys. Ethical Decisions at the Edge of Morality, TU Dortmund, Dortmund (18.10.2011)
  18. Menschenrechte und künstliche Lebensformen, DP Philosophy, KIT, Karlsruhe (01.07.2013)
  19. Compulsory Moral Enhancement, DP Philosophy, University of Bonn (24.01.2014)
  20. On the Nature of the Right Not to Know, University of München (16.-18.09.2014), abgesagt
  21. Human Rights for Intelligent Robots?, DP Philosophy, University of Bonn (12.12.2016)


  1. Comment on: “In Sickness and in Health: Can the Marriage between Health Care and the Market live ethically ever after?”, APA Pacific Devision Conference, Vancouver (04.2009)
  2. Comment on: “Doing better with age: identity and self-determination in long-term care”, Canadian Philosophical Association Conference, Carleton University, Ottawa (27.05.2009)
  3. Moral Experts vs. Ethical Theories, Centre for Ethics, University of Toronto (28.02.2018)


  1. Ethics as a Method, International Bioethics Retreat, Cambridge Quarterly Healthcare Ethics, Institut d’Etudes Politique de Paris, Sciences Po (06.2008)
  2. A Disability-Conscious Bioethics, Eacme Annual Conference, Université Catholique de Lille (02.-04.10.2014)
  3. On Moral Experts, International Bioethics Retreat, Columbia University Global Centers-Europe Reid Hall, Paris (27.06.2017)


  1. On The Structure of An European Information, Documentation and Communication System, Food and Agriculture Organisation, FAO, Rome (2004)


  1. Human Dignity in Bioethics, Vytautas Magnus University Kaunas (15.03.2010)
  2. On Human Rights, Vytautas Magnus University Kaunas (02.11.2010)
  3. Ancient Ethics and Modern Morality – A Comparison, Vytautas Magnus University Kaunas (07.11.2011)
  4. Refined Marxism and Moral Enhancement, Vytautas Magnus University Kaunas (05.11.2012)
  5. Compulsory Moral Enhancement, Vytautas Magnus University Kaunas (11.02.2014)
  6. Human Rights and Cultural Identities, Vilnius University (16.06.2014)
  7. Human Rights and Cultural Identities, Identity and Globalization: Ethical Implications, Klaipeda University (17.06.2014)
  8. Introduction to Applied Ethics, Vytautas Magnus University Kaunas (14.09.2016)
  9. Indignity and Old Age, Vytautas Magnus University Kaunas (20.01.2017)
  10. Moral Rights for Intelligent Robots, International Conference LOGIN, Vilnius (26.05.2017)


  1. On Free Will – Mental Causation as Self-Organisation, Workshop at the University of Utrecht (11.2004)
  2. Meta-Ethics and Descriptive Ethics, Summerschool in Soesterberg (08.2005)
  3. On Moral Judgments – A Phenomenological Approach, Workshop at the University of Utrecht (13.-15.11.2008)


  1. Remarks on the Origins of Justice and the Pluralism-Objection, International Conference: Pluralism and Conflict. Distributive Justice Beyond Rawls and Consensus, Fatih University in Istanbul (08.06.2013)


  1. On Moral Experts, St. Cross Special Ethics Seminar, Oxford Uehiro Centre for Practical Ethics, University of Oxford (19.10.2017)
  2. On Moral Experts, Inter-Disciplinary Ethics Applied Centre, University of Leeds (25.10.2017)


  1. Morality and Justice. Reading Boylan’s A Just Society, Conference: Practical and Professional Ethics. Eighteenth Annual Meeting, Cincinnati (05.-08.03.2009)
  2. Invited as Larkin Ethics Lecturer: 1. Human Rights in Bioethics, 2. Human Dignity and Bioethics, Philosophy Department at Mount St. Mary’s College in Los Angeles (04.2009)