*virtual* Topics in algebraic and geometric topology, AMS Sectional at Purdue, March 26-27, 2022
*cancelled* Trends in Teichmüller Theory, AMS Sectional at UVA, March 11-13, 2022
*virtual* – Tee-Seminar der AG Kramer, Universität Münster, November 15, 2021
*virtual* – Colloquium, Willamette University, November 11, 2021
*virtual* – Topology Seminar, UW-Milwaukee, October 20, 2021