Njoki Njoroge Njehû is a Kenyan national who worked with women's groups and the Greenbelt Movement in Kenya for over a decade. She grew up learning from the work of Kenyan women, especially her mother, Lilian Njehû, a grassroots and community activist. Before joining the 50 Years Is Enough Network she worked at Greenpeace International for three years focusing on the international toxic trade and on biodiversity and oceans issues.She joined the 50 Years Is Enough Network in July 1996 and was named director in October 1998.

She has testified numerous times before the US Congress on issues of Africa and international debt. She serves on the board of the Quixote Center and Jobs with Justice and on the coordinating committee of the Grassroots Global Justice (GGJ). She is a member of both the Amnesty International and the Independent Progressive Politics Network (IPPN) speakers' bureaus. She is a founding member of the International Coordinating Council of the World Social Forum and the Africa Social Forum.