 Olayide was a prolific writer and administrator.He also held various research consultant/director positions, most notably at Benin – Owena River Basin Authority, NIFOR, NISER, FAO (Food and Agricultural Organisation in Milan, Italy), and the Federal Agricultural Coordinating Unit (FACU) of Nigeria.Olayide also published numerous articles in major national and international scientific journals, most notably his seminal paper on "The Nigerian Food Problem", delivered in 1974 and published in the Journal of the Nigerian Institute of Social and Economic Research (NISER).