In 1996 she was a Member of the Advisory Group to the Director General UNESCO for the follow-up of the Beijing Conference in Africa, South of the Sahara. Also in 1996 she was a Member of the Board for the Agency for Co-Operation and Research in Development in London. In 1996 she was a member of the board for both The Hunger Project in New York City, and the UN University in Tokyo, Japan. Also in 1996 she was President of Advocacy for Women in Africa. In 1997 Mongella was Senior Advisor to the Executive Secretary of the Economic Commission for Africa on Gender Issues.