Dr. Jane Mumbi Kiano took over leadership at the Maendeleo Ya Wanawake Organisation in 1971. The organization changed the lives of women across the country, advocated for their rights and facilitated financial strengthening of many disadvantaged women in Kenya. During her tenure She oversaw the construction and completion of the Maendeleo House which housed the outfit as well as other offices and is credited with numerous achievements. She also led a call for the adoption of a national dress in her efforts to fight tribalism and unify the country.

Besides being the chair of the Maendeleo ya Wanawake Organization, Jane was also the Vice-president of the National Council of Women, a committee member of the Child Welfare Society of Kenya and a former commissioner at the National Cohesion and Integration Commission. She was also the vice-president of Associated Country Women of the World for the East, West and Central Africa in 1972.  In recognition of her work, she was awarded the Pan African Mercury Gold Award.

She was awarded the 2nd Class of the Elder of the Burning Spear (EBS)