2020
 Strong cosmic censorship and quantum fields, 1st virtual Workshop on Foundations and Constructive Aspects of Quantum Field Theory (June 2020).
2019
 Background independence in gauge theories, 43th Workshop on Foundations and Constructive Aspects of Quantum Field Theory, Firenze, Italy (February 2019).
 Background independence in gauge theories, University of Trento, Italy (February 2019).
2018
 The current density in QED in external potentials, MiniWorkshop “Pair production”, Jena, Germany (October 2018).
 Global anomalies on Lorentzian spacetimes, 41th Workshop on Foundations and Constructive Aspects of Quantum Field Theory, Göttingen, Germany (February 2018).
2017
 The NambuGoto string as an effective field theory and its semiclassical limit, Spring Meeting of the German Physical Society (Hauptvortrag), Bremen, Germany (March 2017).
 Local gauge covariance and global anomalies, Faculty of Physics, University of Warsaw, Poland (March 2017).
 The NambuGoto string as an effective field theory and its semiclassical limit, Faculty of Physics, University of Warsaw, Poland (March 2017).
2016
 The semiclassical energy of rotating NambuGoto strings, Rethinking Quantum Field Theory, DESY, Hamburg, Germany (September 2016).

Generalized Wentzell boundary conditions and holography, Recent Mathematical Developments in Quantum Field Theory, Oberwolfach, Germany (July 2016).
 Generalized Wentzell boundary conditions and holography, 38th Workshop on Foundations and Constructive Aspects of Quantum Field Theory, Munich, Germany (May 2016).
 Generalized Wentzell boundary conditions and holography, Maxwell Institute for Mathematical Sciences, Edinburgh, UK (March 2016).
 Generalized Wentzell boundary conditions and holography, Department of Mathematics, University of York, UK (February 2016).
2015

Wentzell boundary conditions and dimensional reduction in QFT, Mathematisches Institut, Universität Göttingen, Germany (June 2015).

Applications of local gauge covariance: Anomalies and QED in external potentials, Spring Meeting of the German Physical Society (Hauptvortrag), Berlin, Germany (March 2015).
2014

An extended standard model and its Higgs geometry from the matrix model, Quantized geometry and physics, Bayrischzell, Germany (May 2014).

Locally covariant charged fields, Algebraic Quantum Field Theory – Its status and its future, ESI, Vienna, Austria (May 2014).