Here are some conferences I (co)organized

scientific:

• 2024- Algebraic K-theory and Arithmetic

• 2018- Arithmetic Methods in Mathematical Physics and Biology

• 2017- Algebraic K-theory and Arithmetic

• 2012- Algebraic K-theory and Arithmetic

• 2011- Arithmetic Algebraic Geometry Israeli -Polish Mathematical Meeting Lodz 2011

• 2007- Arithmetic Algebraic Geometry Joint Meeting Meeting PTM-AMS Warsaw 2007

• 2007- Arithmetic Algebraic Geometry Poznań, 3-7 September, 2007

• 1995 - Conference on Algebraic K-theory,Poznań September 4-8, 1995 - Contemporary Mathematics 199, G.Banaszak,W.Gajda, P.Krasoń, editors.

• 1994 - Miniconference in Algebraic Topology, Międzyzdroje, September 2-5.

organizational:

• 2011 - National Conference of Deans of Departments of Mathematics and Informatics (KWUMI 2011).