He said the deceased served the state meritoriously.
Mr Oyebanji announced on June 13 the appointment of Ms Olomojobi as the new Head of Civil Service in Ekiti.
The two traditional rulers were on Monday ambushed and killed by gunmen on their way from a meeting in Irele-Ekiti.
“Your ability on the job, creative ingenuity…and impressive result will be the major determinant of your continued membership of the state executive council.”
Mr Oyebanji also named Anthonia Emmanuel as the secretary of the Audit Service Commission and Adebayo Faleto as the new Surveyor-General.
