Organisations:
- KIK – Club of Catholic Intelligentsia
- JECI-MIEC European Coordination
- Pax Romana IMCS (International Movement of Catholic Students)
- Pax Romana ICMICA (International Catholic Movement for Intellectual and Cultural Affairs)
- Religions for Peace – European Interfaith Youth Network
- Religions for Peace – European Council of Religious Leaders
Academic:
- my profile on Academia.edu
- my profile on EAJS – European Association for Jewish Studies
- ESA – European Sociological Association
- INoGS – International Network of Genocide Scholars
Film:
- International „Jewish Motifs” Film Festival – Warsaw, Poland
- Film „Siren”
Social media:
- Julia Koszewska on twitter