Osatohamwen Iyasere-Arenyeka, the eighth child of 10 born to the Iyase of Uselu, in Benin, started her primary education at St. Luke’s Demonstration School, Jos but had to move Holy Trinity School, Kano when her father a producer officer was transferred to Kano. Osato, as she is popularly called, was admitted to St Catherine’s Girls’ Grammar School, Owo in 1966.
She proceeded to Edo College and Institute of Continuing Education both in Benin for her Higher School Certificate and graduated with the best result in arts in 1974. Thereafter, she attended University of Ibadan and earned a Bachelor of Science, Sociology degree in 1978 and a Master’s degree, Urban & Regional Planning in 1986. In 1991 she got a Dutch fellowship to study Housing Policy and Human Settlements at the Institute of Housing & Urban Studies, Rotterdam, Holland.
After her national youth service at Central Bank of Nigeria, Kaduna in 1979, she began her professional career as a pupil Town Planning officer in the then Bendel State Ministry of Lands and Surveys in July 1980. She was deployed to Edo State Transport Service in 1992, as Assistant Chief Transport Officer /Head of Transport. When the Oil Mineral Producing Areas Development Commission (OMPADEC) was created in 1993 she joined as Assistant Director, Community Affairs. Between January 2001 and June 2002, she was Acting Head/Assistant Director, Planning, Research & Statistics /MIS. She was promoted to the post of Deputy Director in March 2003 and held that position till May 2007, when she was redeployed to Education, Health & Social Services Directorate. Mrs. Osato Iyasere-Arenyeka was promoted to post of a Director in April 2010 and deployed to the Administration & Human Resources Directorate. She belongs to many professional bodies including the Nigeria Institute of Town Planners, (NITP) and Nigeria Institute of Management, (NIM). A registered town planner, she has served the Nigerian Institute of Town Planners as Secretary, Bendel State Chapter, 1989-1991 and Member, Education Committee at the national level (1994).
She also served as a Member of Bendel Committee on International Year for Shelter (1990). Her hobbies include counseling, reading, traveling and community service. She also enjoys aerobics, watching movies and documentaries. She is happily married with a daughter, Tsemaye.