She has over thirty-five years’ experience in legal practice at the national, regional, and international levels, with expertise in constitutional governance, legislative reform, and human rights. Justice Ndungu was a Member of the Committee of Experts that drafted the Constitution of Kenya, 2010, and previously served as a Member of Parliament, where she was the principal architect of the Sexual Offences Act, 2006, and championed key legal reforms on maternity and paternity benefits and workplace sexual harassment.

Justice Ndungu has also served with the African Union and the United Nations High Commissioner for Refugees (UNHCR). She holds an LL.B. from the University of Nairobi, an LL.M. in Human Rights and Civil Liberties from the University of Leicester, and a Diploma in Women’s Human Rights from World University Services, Austria. She is a Fellow of the Chartered Institute of Arbitrators.

Her service has been recognised through numerous national and international honours, including the Chief of the Order of the Burning Spear (CBS) and the Elder of the Order of the Burning Spear (EBS). She is actively engaged in community service, serving as Chair of the Board of Trustees of the Gender Violence Recovery Centre at Nairobi Women’s Hospital and as a mentor in the Big Sister Programme for teenage girls.