I gave talks/workshops at below conferences

Talk / WorkshopConference logoYearConference nameCountry / City
Pyramid of Refactoring2019DevCrowdPoland, Szczecin
Poker Hands - Refactoring into Chain of Responsibility Read the summary in English2019JBCNConfSpain, Barcelona (English)
Pyramid of Refactoring Watch online in Polish2019Boiling FrogsPoland, Wrocław
Refactoring in Business World Watch online in Polish2018ConfituraPoland, Wrocław
Refactoring Out of God Object Antipattern Read summary in English2018JBCNConfSpain, Barcelona (English)
Refactoring in Business World Watch online in Polish2018Boiling FrogsPoland, Wrocław
Refactoring in Business World Watch online in English2017JDDPoland, Kraków (English)
Tests Refactoring Read summary in English2017JBCNConfSpain, Barcelona (English)
Inheritance or Delegation Read summary in English2016JBCNConfSpain, Barcelona (English)
Effective Refactoring Watch online in English2014JDDPoland, Kraków (English)
Effective Refactoring Watch online in Polish2014ConfituraPoland, Kraków
Effective Refactoring Read summary in English201433rd Degree (currently Devoxx.pl)Poland, Kraków
Above you can find all the conferences I spoke at, providing talks or workshops related with subject of refactoring or strongly associated with this subject.