I used to be an organizer of the Seminar of Young Researchers (FIKUSZ) of the Rényi Institute.
In the academic year 2005-06, I was the organizer of the Oberseminar of the Max Planck Institute for Mathematics in Bonn.
I frequent the Algebraic Geometry and Differential Topology Seminar of the Rényi Institute.
I organize the Geometry Seminar of the Budapest University of Technology
I coorganize the Wien--Budapest Algebraic Geometry Seminar