Fellin began her career in 2003 at the Italian Ministry of Foreign Affairs and International Cooperation, working in
cultural diplomacy. From 2006 to 2010, she lived in Turkey, where she completed her master's degree and worked as a gender consultant for several
United Nations agencies, including
UNDP,
UNICEF, as well as for other national and international organizations. In 2013, Fellin was appointed Advisor to the first
NATO Secretary General's Special Representative for Women, Peace and Security, Ambassador Mari Skåre, at
NATO Headquarters in Brussels. Between 2014 and 2018, she also worked as a trainer on gender and security issues for the
Center of Excellence for Stability Police Units in Vicenza, training military personnel, UN peacekeepers, and civilians. In 2016, Fellin founded Women in International Security (WiIS) Italy, the Italian chapter of a global network dedicated to advancing the leadership and the professional empowerment of women in the field of international peace and security. She currently is the Honorary President. In 2017, she contributed to the establishment and coordination of the Mediterranean Women Mediators Network (MWMN), an initiative promoted by the Italian Ministry of Foreign Affairs and International Cooperation aimed at increasing the participation of high-level women mediators in peace processes. She also led the negotiations that resulted in the endorsement of the NATO Women, Peace and Security Policy at the Washington Summit in 2024. Her tenure has included special attention to women in combat following Russia's full-scale invasion of Ukraine. == Recognitions ==