HON. JUSTICE ENI ESAN (Rtd) was appointed and sworn in by his Excellency Executive Governor of Oyo State, Engineer Seyi Makinde as the Chairman of OYACA on the 22nd of December 2020.
She is the pioneer head of OYACA and the first female to be so appointed.
Hon. Justice Eni Esan attended the University of Nigeria, Enugu Campus from 1974 to 1978 Where she obtained her LLB (Hons) Degree. Thereafter, she attended the Nigerian Law School and was called to the Nigerian bar in 1979.

She started her legal career in the Ministry of Justice, Secretariat, Ibadan as a state counsel in 1981. She crossed over to the Oyo State Judiciary in 1989 as a Senior Magistrate. She rose through the ranks to become the Chief Registrar of the High Court and was elevated to the high court bench as a judge of that court in July 2001.
She served in that capacity for 17 years before she was appointed as the President Oyo State Customary Court of Appeal. The appointment was significant as she was the first woman to occupy that position. She headed that court until her retirement in January 2020.

While in the service of the judiciary of Oyo Sate, she attended several workshops, refreshers courses, seminars and conferences both nationally and internationally.
As a thorough bred jurat, Hon, Justice Esan served in various election petition tribunals and election appeal tribunals, including the Gubernatorial and National Assembly Election Petition Tribunals in Kaduna and Cross River States respectively.

She is a member of several professional bodies which include Commonwealth Judges and Magistrates Association, the International as well as the National Association of Women Judges.
She is a fellow Of the Nigerian Institute of Chartered Arbitrators (NICARB) and also a fellow of the Institute of Chartered Mediators and Conciliators (ICMC).
She is a Pastor in the Redeemed Christian Church of God.
She is married with the children and grandchildren.