Sisterhood is Global Institute (SIGI) Sisterhood is Global Institute (SIGI) is Founded SIGI’s Visit to the Philippines, 1984 Mahnaz Afkhami (furthest right) on a visit to Manila, Philippines, with SIGI, 1984. SIGI’s Visit to the Philippines, 1984 (2) Marilyn Waring, Robin Morgan, Mahnaz Afkhami, Leticia Shahani, and Madhu Kishwar in the Philippines with SIGI, 1984. Zainah Anwar leading a SIGI Workshop, 1998 Zainah Anwar (left) leading a SIGI workshop using the manual Claiming Our Rights in Malaysia, 1998. SIGI Steering Committee, 1984 (right to left) Gwendoline Konie, Greta Hoffman Nemiroff, Mahnaz Afkhami, Marjorie Agosin, Patricia Giles, and Sima Wali served as the Mahnaz Afkhami with Greta Hoffman Nemiroff and Robin Morgan Sisterhood Is Global Institute (SIGI) was founded in 1984. Mahnaz Afkhami with Greta Hoffman Nemiroff and SIGI founder Robin Morgan.