| Workshop in Boston (2011) | |
| ECMTB Cracow (2011) | |
| Workshop in Warsaw (2009) | |
| School and Workshop in Bedlewo (2006) | |
| Summer School in Crete (2006) | |
| Workshop in Szczyrk (2006) | |
| Visit in Dundee (2005) | |
| Sw. Krzyz Conference (2004) | |
| A visit of Prof. Mark Chaplain (2004) |