• summer term 2019 lecturer 'International Law of the Sea' at Kiel University, Germany
• 2018 lecturer at the SOLAS Summer School in Cargèse, Corsica, France
• summer terms 2017 & 2019 lecturer 'International Law of Marine Resources' at Kiel University, Germany
• winter term 2013/2014 & summer terms 2015-2019 lecturer 'Milestones of International Jurisprudence' at Kiel University, Germany
• November 2013 guest lecturer at the University of Essex, England
• 2013, 2014 & 2015 lecturer in international law at the summer school for University of Utah students in Kiel, Germany

Selected presentations

• 23 April 2019 discussion session 'SOLAS Science & Society: achievements, present status & future possibilities' at the SOLAS (surface ocean lower atmosphere study) Open Science Conference at Hokkaido University in Sapporo, Japan (with Christa Marandino)
• 21 April 2019 presentation 'Societal issues of geoengineering relatins to SOLAS' at the SOLAS Geoengineering workshop at Hokkaido University in Sapporo, Japan
• 15 November 2018 presentation 'Present & future meaning of a common heritage of humankind: possibilities for public trusteeship over natural resources' at 'Natural Resource Rights Within Planetary Boundaries: a workshop on governance and normative theory' at the Mercator Research Institute on Global Commons and Climate Change in Berlin
• 22 Oktober 2018 presentation 'Marine mineral resources beyond national jurisdiction: potential for resource conflict or common heritage of humankind?' at the conference Ocean - Climate Sustainability Research Frontiers in Berlin
• 20 September 2018 presentation 'Twenty Thousand Laws Under the Sea: How to translate value assessment of seabed resources and risks of exploitation into regulations' at the symposium Frontiers in Ocean Sustainability: Co-designing Research and Solutions in Halifax, Canada
• 12 September 2018 presentation 'The legal fight against thunnicide: Regime interaction concerning the management of the Atlantic bluefin tuna fishery' at the conference Becoming treasures of the sea: Epistemological constructions and marine resource regulation at the University of the Azores, Ponta Delgada, Portugal
• 17 April 2018 presentation 'Seevölkerrecht in Kiel' at the workshop Kiel, das Meer und Du in Studio Kino, Kiel
• 8 December 2017 presentation 'Legal principles for open ocean trusteeship' at the workshop Oceans Matter, organised by  The High Seas and the Deep Oceans: Representations, Resources and Regulatory Governance at the  NTNU, Trondheim, Norway
• 7 November 2016 presentation 'Aufgaben der Internationale Meerebodenbehörde nach das Seerechtsübereinkommen' at the expert dialogue 'Effektiver Vollzug eines umweltverträglichen Tiefseebergbaus' at the Institute for Advanced Sustainability Studies in Potsdam, Germany
• 19 October 2017 workshop 'Ocean governance & the case of the Gulf of Aqaba' at Crisis of the Ocean: Threats to our Marine Ecosystems and Ways to Protect the Ocean in Aqaba, Jordan
• 17 October 2017 presentation 'International law of the sea & ocean governance' at the Ocean Atlas launch in Amman, Jordan
• 21 September 2017 presentation 'Rules and principles on the high seas – a study in legal methodology' at a workshop on Methodologies and theory organised by The High Seas and the Deep Oceans: Representations, Resources and Regulatory Governance at the University of the Highlands and Islands, Lerwick, Shetland
• 18 September 2017 presentation 'Zukunft Ozeanforschung' at the MNU Schülercampus in Kiel with Franziska Julie Werner
• 16 May 2017 presentation 'Die Arktische Umwelt - Herausforderung für Völkerrecht und Politik ' at the workshop 'Die Arktis – Recht und Politik:
  Deutsch-Kanadische Perspektiven' at the Universität der Bundeswehr in Munich, Germany
• 15 November 2016 presentation 'Historische Entwicklung des Gemeinsame Erbe der Menschheit Prinzips & seiner Umsetzungsmechanismen in Seevölkerrecht' at the expert dialogue 'Das gemeinsame Erbe der Menschheit - Auswirkungen auf die Regeln für den Abbau der mineralischen Rohstoffe des Gebietes' at the Institute for Advanced Sustainability Studies in Potsdam, Germany
• 26 & 27 October 2016 organisation 'SOLAS Science & Society Workshop' at the Kooperationsstelle EU der Wissenschaftsorganisationen in Brussels, Belgium with Christa Marandino
• 10 April 2016 presentation 'Europäische Meeresschutz' at the Verband politische Jugend Kongress in Barmstedt, Germany
• 25 February 2016 presentation 'Legal issues of climate change and security in the Arctic' at the 3rd CliSAP Workshop Arctic and Permafrost in Hamburg, Germany
• 7 November 2015 presentation 'Wem gehört der Ozean?' at the Zukunftskongress - Forschung und Bildung fuer das 21. Jahrhundert in Kiel, Germany
• 6 October 2015 presentation 'Legal aspects of marine planning' at the 6th Early Career Scientists Conference for Marine and Climate Research. Looking Ahead: Oceans, Earth and Human Impact in Kiel, Germany (based on a paper with Sarah Fiona Gahlen)
• 29 September 2015 presentation 'Sharing the benefits of fisheries as common heritage of humankind: a proposal based on the natural capital approach' at the Sustainable Ocean Development research alumni meeting: A Perspective from Former, Current and Future Kiel Marine Scientists at Columbia University, New York City (based on a paper with Martin F. Quaas & Jörn O. Schmidt)
• 9 September 2015 discussion session 'Moving towards the vision of Future Earth: SOLAS science and society' at the SOLAS (surface ocean lower atmosphere study) Open Science Conference in Kiel, Germany (with Christa Marandino)
• 11 July 2015 workshop 'Muscheln und mehr: Artenvielfalt und stabile Fischbestände' at Mensch & Meer im Jahr 2050 in Kiel, Germany (with Lasse Petersdotter)
• 25 June 2015 presentation 'Highly migratory fish stocks: a common heritage case study' at the MARE Conference People and the Sea VIII Geopolitics of the Oceans in Amsterdam, the Netherlands
• 9 May 2015 presentation 'Environmental Aspects of the Mining Code: Preserving Humankind's Common Heritage while Opening Pardo's Box?' at a workshop on Environmental Standards for Deep Seabed Mining organised by the K.G. Jebsen Centre for the Law of the Sea, Arctic University of Tromsø, Norway
• 8 April 2015 presentation 'Consequences and juridical implications of the principle of Common Patrimony in marine fisheries, specially in migratory species' at the Secretaria Tecnica del Mar in Manta, Ecuador
• 5 March 2015 presentation 'Common Heritage of Humankind: Towards an operationalisation for high seas fisheries' at the Ocean Sustainability Science Symposium in Kiel, Germany
• 24 October 2014 presentation 'Humankind's common heritage as a legal solution: past, present & future role of the United Nations in marine affairs' at the annual meeting of the German Alumni of The Hague Academy of International Law in Kiel, Germany
• 17 May 2014 presentation 'Die Meere - Schwarzes Loch im Völkerrecht?' at the Zivilgesellschaftliche Konferenz zum Europäischen Tag der Meere in Bremen, Germany