31th Novembertagung on the History and Philosophy of Mathematics (Online/Berlin, 26. - 28. November 2020)
Online Masterclass: Lakatos’s Undone WorkThe practical turn and the division of Philosophy of Mathematics and Philosophy of Science (5. - 6. September 2020, Online/London)
Hamburg Set Theory Workshop 2020: Descriptive Set Theory, Forcing and the Reals. (Hamburg/Online, 20 - 21 June 2020)
TDPhiMa: Text-driven Approaches to the Philosophy of Mathematics (Prag, 07.08.2019), Contributed symposium to the CLMPST 2019
DMV-Studierendenkolleg: UnDecidability (Hamburg, 29. - 30.06.2018)
Foundations in Mathematics: Modern Views (Munich, 04. – 07.04.2018)
Ouroboros. Formal Criteria of Self-Reference in Mathematics and Philosophy (Bonn, 16. – 18.02.2018)
Philosophische Fragen der Flüchtlingssituation [Philosophical Questions of the refugee crisis] (Berlin, 23. - 25.06.17)
Humboldt-Kolleg Proof Theory as Mathesis Universalis (Loveno di Menaggio, Como, Italy; 24. - 28.07.17)
FOMUS: Foundations of Mathematics - Univalient Foundations and Set Theory (Bielefeld, 18. – 23.07.16)
International Summer Academy 2015 - Transnational Organisierte Kriminalität und ihre Herausforderungen [Transnational Crime and its challenges for society] (Berlin, 22. – 29.08.15)
Unfehlbarkeit durch Formalismus? [Infallibility by Formalism?] (Bonn, 13. - 15.03.15)
Formal Methods in Narratology (Hamburg, 08. – 10.03.13)