[2] Olatunji-Bello was born in Ologbowo community Idumota, Lagos Island in defunct Western Region of Nigeria on 23 April, 1964.

For tertiary education, she attended Lagos State College of Science and Technology, University of Ibadan where she obtained a bachelor's degree in physiology in 1985.

She served as the deputy Vice Chancellor of Lagos State University(LASU) in 2008.

[3] In an interview with The Nation, she mentioned that her becoming the vice chancellor was because it was God's appointed time for her.

[4][5][6] Olatunji-Bello is a recipient of The Feminine Nigerian Achievement Award in the category of The Most Outstanding in Tertiary Education.