Late Dr. J. O. Olabisi
ORLSON President 2010 – 2012
Dr. Andrew O. Imogu
ORLSON President 2012 – 2014
Dr. Oluwatoyin Akinlade
ORLSON President 2014 – 2016
Prof. OGB Nwaorgu
ORLSON President 2016-2018.
Dr. Abiodun D. Olusesi
ORLSON President 2020 – 2022
Prof. K. R. Iseh
ORLSON President 2022-2024.