• presentation best practices: Polish coalition for „Poland free from landmines” campaign in session: Building National Coalitions, at ICAN Action Academy, Berlin, Germany (September 11-14, 2014);
  • presentation Being Wiki is so GLAM!, at We are museums, Warsaw, Poland (June 5-6, 2014)
  • keynote presentation Open internet: opportunity or threat for citizens and peacemakers? at conference Open Internet, Open Church, Open Source, ECIC Bossey, Geneva, Switzerland (June 2-5, 2014);
  • Lecturer, Presentation of the 2011 ICBL report on landmines and cluster munition, and co-chair of conference Poland free from landmines in Spring? Polish commitment to ratify Ottawa Treaty in 2012; Conference closing Inter-religious youth campaign „Poland Free from Landmines”, Religions for Peace Interfaith Youth Network, Polish Red Cross, Club of Catholic Intelligentsia, JewishAssociation „Czulent”, Warsaw, Poland (November 28, 2011);
  • Lecturer, Polish-Jewish relations: social and inter-religious relations and Jewish life in Poland after 1989, presentation for Israeli educators on study tour to Poland organized by SparkPro, Warsaw, Poland (October 22, 2011);
  • Lecturer, Womanly Face of Wikipedia, during the conference „10 years of Polish Wikipedia”, Poznań, Poland (September 25, 2011);
  • Presentation, Introduction to advocacy and Setting up EIYN policy on reacting to critical issues troubling  peace, welfare and interfaith and ethnic coexistence in Europe, organizer and co-chair of the conference Advocacy for Human Rights and Coexistence – European Young Religious Leaders Summit and Training, Warsaw, Poland (September 16-19, 2011);
  • Presentation, Holocaust in Europe. Memory and Identity Today (own research paper), and: Phantom Pains of  Poland. Post-traumatic reaction to the lost of Jews caused by Holocaust (co-author: YechielWeizman, Cultural Studies, Hebrew University of Jerusalem) on „10th Conference of the EuropeanSociological Association, Social Relations in Turbulent Times”, European Sociological Association, Geneva, Switzerland (September 7-10, 2011);
  • Lecturer, Non-formal education on Holocaust at Jewish Culture Festival in Cracow, Jewish CommunityCentre of Kraków, Cracow, Poland (July 1, 2011);
  • Special guest-participant, conference „Human Rights and Traditional Values in Europe”, European Councilof Religious Leaders, Moscow, Russia (June 21-23, 2011);
  • Lecturer, Holocaust and antisemitism – experience and narratives of museum guides. Comparative study in Auschwitz-Birkenau Memorial Site and Museum in Poland and the Yad Vashem Institute in Israel, International Symposium „Perceptions of the Holocaust and Contemporary Antisemitism”, International Institute for Education and Research on Antisemitism, Berlin, Germany (June 4, 2011);
  • Lecturer, Youth inter-faith dialogue and cooperation in modern Europe, European Council of ReligiousLeaders „Paths of Understanding and Dialogue – Interreligious Conference”, Rovereto, Italy (April5, 2011);
  • Presentation on the role of youth in Church, meeting-seminar for members of ZNAK movement: „About laity, clergy and preaching the Evangely”, Laski near Warsaw, Poland (March 27, 2011);
  • Lecturer, Oral history – interviewing witnesses of history of WWII, and organizer of seminar „Memory and commemoration in era of web 2.0” – seminar for young journalists from Central-Eastern Europe andIsrael, and for witnesses of history; Maximilian Kolbe Werk and Club of Catholic Intelligentsia;Oświęcim, Poland (January 23-28, 2011);
  • Lecturer, Social (un)memory, lecture in the program on social memory representations, program accompanying 5th annual „Projekt Próżna” artistic Project by Krystyna Piotrowska, Warsaw, Poland(September 2, 2010);
  • Panel discussant, Next 20 years: Young Activists’ Perspective, 20th Anniversary of Formation of the Tadeusz Mazowiecki Governement (first post-war non-communist goverenement), University of Warsaw,Warsaw, Poland (September 13, 2009);Panel discussant of European Youth Forum, Good Governance of Cultural and Religious Diversity and The Role That Youth Play in It, First Meeting of GoF Focal Points of countries of UN Alliance of Civilizations, Paris, France (October 2-3, 2008);
  • Presentation, Women in Poland: their role in Church and society, First Meeting of the Women’s Vision (in2008 group renamed for International Secretariat of Gender Equality and Women’s Issues (ISGEWI),Pax Romana ICMICA/MIIC Europe, Praha, Czech Republic, (January 20-22, 2006);
  • Trainer of session: Religia i kultura: pozytywna różnorodność czy powód do dyskryminacji? (eng. Religion and culture: positive diversity or a reason for discrimination), Akademia Trenerów Różnorodności(eng. Academy of Diversity Trainers) (training for trainers), MDSM (International Youth MeetingHouse), Mikuszewo, Poland (October 12-14, 2007);
  • lecturer, Polska Młodzież Żydowska – współczesny portret (eng. Polish Jewish Youth – modern portrait), together with Jan Dawid Gebert, 3rd edition of the Jewish Day at University of Warsaw, Warsaw,Poland (May 5, 2005).
  • Presentation Pomarańczowa Rewolucja na Ukrainie (eng. Orange Revolution in Ukraine), together with Jan Dawid Gebert, for the Rotaract (young section of Rotary International) Zamek, Warsaw, Poland(November 2005).