Hon. Justice Motonmori Olatokunbo Kekere-Ekun, GCON, JSC (Nee Fasinro), was born on 7 May 1958. She obtained her LL.B in 1980 from the University of Lagos and her LL.M from the London School of Economics and Political Science in November 1983. She was called to the Nigerian Bar on 10 July 1981.

From 1985 to 1989, she was in private practice and was later appointed a Senior Magistrate Grade II in the Lagos State Judiciary in December 1989. She was appointed a Judge of the High Court of Lagos State on 19 July 1996. She served as Chairman of the Robbery and Firearms Tribunal, Zone II, Ikeja, Lagos, from November 1996 to May 1999.

Hon. Justice Kekere-Ekun was elevated to the Court of Appeal on 22 September 2004, where she served in various Divisions of the Court and as Presiding Justice of two Divisions (Makurdi and Akure).

She was elevated to the Supreme Court of Nigeria as the 5th female Justice of the Court and was sworn in on Monday, 8 July 2013.

She was sworn in as the Chief Justice of Nigeria on 30 November 2024 by President Bola Ahmed Tinubu, GCFR.

She has attended numerous courses and seminars within and outside Nigeria and has received several merit awards. Hon. Justice Kekere-Ekun is a Life Bencher, a Member of the International Association of Women Judges, and currently its President. She is happily married with children