Until 1959, the Denver UNESCO organization was operated out of the Fiore family's basement. In that year, she moved the office and International Hospitality Center to the Denver International House and continued as executive director for another fourteen years. Fiore retired in 1974, but she continued her involvement with the International Hospitality Center, hosting foreign visitors and encouraging others to participate. She also attended the International Women's Conference and Tribunal held in Mexico City in 1975. The tribunal was a non-governmental meeting, while the conference was the official government meeting. Both sessions were held at the same meeting so that delegates participated in discussions on official policy and program implementation to improve women's educational opportunities, equality, economic position and collaboration. The 1975 UN World Conference on Women, which was part of the International Women's Year focus, was a precursor in the development of the provisions of Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW). Fiore felt invigorated by the experience and pledged to continue to work for women's empowerment.