Lady Justice Martha Karambu Koome is a Kenyan advocate and Human Rights Defender, serving as the Chief Justice of Kenya since 21 May 2021. She is the first woman to serve as Chief Justice in Kenya.

She holds an LL.B. from the University of Nairobi and an LL.M in Public International Law from the University of London. After graduating from University of Nairobi in 1986, Koome enrolled at Kenya School of Law the following year. She completed her Master’s degree (LL.M) in Public International Law at the University of London in 2010