- Institute for Algebra, Number Theory and Discrete Mathematics. Leibniz University Hannover, Germany.
- Algebraic Combinatorics in Representation, Marseille, 29.8.-2.9.2015
- 24th Brazilian Algebra Meeting, Diamantina (Brazil), 31.7.-5.8.2016
- PBW Structures in Representation Theory, Oberwolfach, 28.2.-5.3.2015 (organizer)
- ARTIN 46, 2015 in Glasgow (organizer)
- DMV Jahrestagung 2015, Hamburg, 21.-25.9.2015
- Enveloping Algebras and Geometric Representation Theory, Oberwolfach, 10-16 May 2015
- On the interaction of geometry and representation theory, Bonn, 27-31 March 2015
- Schwerpunkttagung 1388, Bad Honnef, 9-13 March 2015
- 1. Brazilian Congress of Young Researchers in Pure and Applied Mathematics, Sao Paulo, 10-12 December 2014
- Representation Theory Days 2014, Kaiserslautern7-8 November 2014
- Combinatorial Representation Theory, Montreal, 21-25 April 2014
- Lie Groups and Algebraic Groups, Bielefeld, 24-25 July 2014
- PBW filtration and degenerations of flag varieties, Glasgow, 19-23 May 2014 (organizer)
- Geometric Methods in Infinite-dimensional Lie Theory, Toronto, 25-29 March 2013