- Ancient Practical Philosophy
- Ethics (theoretical and applied), Bioethics, and Disability
- Social- and Political Philosophy
- The Philosophy of Human Rights
- Philosophy of Technology
- Department of Philosophy, Queen’s University (with Udo Schüklenk, Will Kymlicka), Canada (2009-2010)
- Department of Philosophy, Vytautas Magnus University, Lithuania (10.2015)
- Oxford Uehiro Centre for Practical Ethics, University of Oxford (with Julian Savulescu), UK (09-11.2017)
- Centre for Ethics, University of Toronto, Canada (01-04.2018)
- An Foras Feasa, University of Maynooth, Ireland (07-08.2018)
- Oxford Future of Humanity Institute, University of Oxford (with Nick Bostrom), UK (03.2019)
- Tallinn Law School, Tallinn University of Technology (with Tanel Kerikmäe), Estonia (05.2019)
- Department of Philosophy, University of Maynooth (with Philipp Rosemann), Ireland (01.-14.11.2019)
- Department of Philosophy, University of Oxford (with Jeff McMahan), UK (30.11.-08.12.2019)
- Centre for Healthcare Ethics, Karolinska Institut Stockholm (with Gert Helgesson), Sweden (03.2020)
- Centre for Socio-Legal Studies, University of Oxford, UK (01.10.-30.11.2021)
- Department of Philosophy, Utrecht University (with Sven Nyholm), The Netherlands (postponed)
- Tallinn Law School, Tallinn University of Technology (with Tanel Kerikmäe), Estonia (14.-31.05.2022)
-
Academy of International Affairs NRW, Germany (01.10.-15.12.2022)
