Conference/Guest Speaker Karamalla-Gaiballa, N. (2020)"International CEO and Social Sciences Congress (CEOSSC)" organized on 18-20 December 2020 in collaboration with International Vision University, Cyprus Social Sciences University, Dhaka University, Bolu Abant Izzet Baysal University, Gorazde University, Central Asian American University, Yessenov University, İstanbul University, Nişantaşı University, Nevşehir Hacı Bektaş Veli University, Muş Alparslan University and Cyprus West University. Karamalla-Gaiballa, N. (2020) “Culture and art in the service of tolerance towards diversity” organised by the International Institute of Civil Society , The 1st debate organized as part of the Culture Debate Club , 15 October 2020, Nowy Świat Muzyki, Warsaw, Poland. Karamalla-Gaiballa, N.(2020), debate :“The intricate ties of Islam and Christianity in Africa”, Organized by the Public Library of the Capital City of Warsaw Warsaw - The Main Library of the Mazowieckie Voivodeship in cooperation with the Polish African Society, the Department of African Languages and Cultures of the University of Warsaw, the Old Town House of Culture and the AfryKamera Festival, Septemper 30, 2020, Warsaw, Poland. Karamalla-Gaiballa, N. and Łaptaś, M. (2019), Black and white in medieval Nubia: Human skin colour in medieval mural paintings in Sudan, International conference, Visualizing the Other in the Late Medieval and Early Modern Art (1300–1550), Ostrava, The Czech Republic, November 14-16, 2019. Karamalla-Gaiballa, N.(2019), debate in the series "American Thursday: The situation of refugees in Europe and the USA", Main Library of the Mazowieckie Voivodeship, November 21, 2019, Warsaw, Poland. Karamalla-Gaiballa, N.(2019), "Abiy Ahmed: Prime Minister of Ethiopia and Nobel Peace Prize Winner returns the waters of the Nile" Public Library of the Capital City of Warsaw - the Main Library of the Mazowieckie Voivodeship in cooperation with the Polish African Society, the Department of African Languages and Cultures at the University of Warsaw, the Old Town House of Culture, and the AfryKamera Festival. November 21, 2019, Warsaw, Poland. Karamalla-Gaiballa, N. (2018)“Immigrants – the only opportunity for the Polish economy?” hosted by the International Institute of Civil Society and National Chamber of Commerce in Warsaw, VI debate within the Debate Club on the Economy and Entrepreneurship, 25 October 2018, Warsaw, Poland. Sustainable development – today and tomorrow,” The Green European Economic Congress, Katowice, Poland, December 4-5, 2018. Karamalla-Gaiballa, N. (2018) " Poland and Poles in East Africa" as part of the celebration of the Day of African Unity in Poland, a popular science conference was organized, May 25, 2018 in Warsaw, Poland. Karamalla-Gaiballa, N. (2011)“The European Development Days (EDD) annual meeting associated with the development policy of the EU, Warsaw, December, 2011.