 She was one of the first women to run for political office in postcolonial Kenya as a KANU candidate in 1969 and stood again in 1974, although she was unsuccessful both times, and she served as an official in a number of Kenyan and international Women’s organisations..In 1985, Wambui left KANU because of the party’s manipulation of elections and lack of internal democracy and, in the last 30 years of her life, was involved with almost every Kenyan opposition party.In 1991, she joined the Forum for Restoration of Democracy which aimed to promote multiparty politics in Kenya.