1. Minisymposium "Recent Developments on Preservers" at the 8th European Congress of Mathematics,  20 - 26 June 2021, Portorož, Slovenia. link

2. Invited Minisymposium "General Preservers" at the 24th Conference of the International Linear Algebra Society (ILAS), June 20-24, 2022, National University of Ireland, Galway, Ireland. link