In 1985 Mongella became vice-chairperson to the World Conference to Review and Appraise the Achievements of the
UN Decade for Women. In 1989 Mongella was Tanzanian Representative to the Commission on the Status of Women. From 1990 to 1993 she was a Member of the Trustee to the
United Nations International Research and Training Institute for the Advancement of Women (INSTRAW). From 1991 to 1992 President Mongella was Tanzanian High Commissioner to India, in 1995 she was
UN Assistant Secretary General and
Secretary General,
Fourth World Conference on Women on Women in
Beijing, China. From 1996 to 1997, Mongella was UN Under-Secretary and Special
Envoy to the
Secretary General of the United Nations on Women's Issues and Development. 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 board for the 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. In 1998 she became a member of the
OAU sitting on the Women Committee for Peace and Development, In 1999 she was a member of the "Council of the Future", UNESCO,
Paris, France, in 2000 she was a Member of the Tanzanian Parliament
Ukerewe Constituency. In 2002 she was a member of the
OAU's High Level Advisory Panel of Eminent Persons. In 2002 Mongella was a member of the Regional Reproduction Health Task Force for the
World Health Organization's African Region, she was also leader of the OAU Election Observer Team to the Zimbabwean Presidential Election. 2003 saw her as
Goodwill Ambassador for the World Health Organization's Africa Region. She became a Member and President of the
Pan African Parliament in 2004. In 2005 the
University of Georgia awarded her the Delta Prize for Global Understanding. She was designated Chairperson of the International Advisory Board of the African Press Organization (APO) in February 2008. Mongella is member of the
World Future Council. ==Non-Governmental Organization participation==