
The inauguration took place on Wednesday at the Council Chamber of the Presidential Villa in Abuja.
The 51-year old Oyo-Ita is a chartered accountant from Odukpani in Cross River State and was appointed as acting Head of Service by President Buhari on October 21, 2015.
Before then, she had been a Permanent Secretary in the Ministry of Science and Technology.
Speaking after the event, Mrs Oyo-Ita said that her priority would be to “hasten some reforms that will have far-reaching impact on service delivery and the Nigerian economy”.
The event, which had the Vice President of Nigeria, Professor Yemi Osinbajo and most Ministers in attendance, came up before the Federal Executive Council meeting.