Organisation

• I am one of the organisers of Topological and Homological Methods in Group Theory 2026, which will take place in Bielefeld.

Past

• I was one of the organisers of Perspectives on the cohomology of general linear groups, which took place in Münster 6-10 October 2025. 
• I was one of the organisers of Model theory meets GGT, which took place in Münster 3-7 February 2025.
• I was one of the organiser of a  workshop on Profinite Rigidity, which took place in Karlsruhe 26-28 August 2024.
• I organised an Arxiv seminar (a weekly meeting on new preprints) at ETHZ.
• In Bielefeld, I organised a weekly meeting on geometric group theory: Friday GGT.
• I was one of the organisers of the conference Outer Space in Bielefeld which took place in Bielefeld from 24th to 26th of September 2019.
• I was one of the organisers of the block seminar Arithmetic groups and Rigidity which took place in Bielefeld from 21st to 23rd of March 2018.