Justice Mumbi Ngugi is a Judge of the Court of Appeal of Kenya. Prior to her appointment to the Court of Appeal, Justice Ngugi served as the Presiding Judge in the Anti-corruption and Economic Crimes Division of the High Court in Nairobi. She also served as the Presiding Judge, High Court of Kenya at Kericho and in the Constitutional and Human Rights Division in Nairobi. Justice Ngugi has been involved in the emerging human rights jurisprudence in Kenya, particularly in relation to the socioeconomic rights guaranteed in the Constitution of Kenya, 2010. Justice Ngugi is a long-term advocate of human rights in Kenya. She has been involved in advocacy work for the rights of women and children, and has been a prominent activist for the rights of persons with albinism in Kenya. Justice Ngugi holds a Bachelor of Laws Degree from the University of Nairobi and a Master of Laws in Commercial and Corporate Law from the London School of Economics, University of London. Justice Ngugi was the recipient of the 2013 International Commission of Jurists-Kenya, Jurist of the Year Award, the Law Society of Kenya Distinguished Service Award 2017, the C.B. Madan Award 2018 and the Transparency International Judicial Integrity Award 2019. In 2021, Justice Ngugi was honoured by the Center for International Human Rights of Northwestern University Pritzker School of Law with the Global Jurist of the Year Award. She is a member of the Africa Regional Judges Forum on HIV-Aids and chairs the ARJF Steering Committee on Judicial Education.

Justice Mumbi Ngugi will participate in the World Justice Forum working session Comprehensive Anti-Discrimination Laws: Foundations for Equal Rights