David Olufemi OLALEYE, DVM, Ph.D, FAAS was a Professor of Virology at the University of Ibadan and Consultant Virologist at the University College Hospital, Ibadan. He was born on July 21, 1954 in Ogbomosho, Oyo State, Nigeria to the family of Mr James and Mrs Esther Olaleye, He joined the service of the University of Ibadan immediately after his NYSC in 1982 as Resident Veterinary Officer (Pathology) and later was appointed Lecturer I in the Department of Virology, College of Medicine of same University in 1986 where he rose through the ranks of Senior Lecturer (1989) to Professor of Virology in 1995. Until his death on July 27 2021, Professor Olaleye was Director, WHO National Influenza Centre, University College Hospital, Director, HIV Laboratory, Department of Virology, UCH; Adjunct Professor, Northwestern University, Chicago, Illinois, USA and a Member of the Oyo State COVID-19 Task Force.