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