• On September 24-28, 2018, I have organised an Arbeitsgemeinschaft on “Motives, foliations and the conservativity conjecture” together with Joseph Ayoub and Bruno Klingler.

  • On August 28-September 1, 2017, I have organised a summer school on Motives for periods together with Giuseppe Ancona and Javier Fresan.


  • In the winter semester 2019-2020, I have organised a research seminar on the cohomology of Hilbert schemes of points on surfaces at Radboud University Nijmegen and the University of Amsterdam.

  • In the spring semester 2016, I have organised a research seminar on ``Motivic Galois groups and periods’’ at the Freie Universität Berlin.