Professor Oladapo Walker is a Professor of Pharmacology and Therapeutics at Babcock University Ilishan Remo in Ogun State who has recently joined Chrisland University. He is a member of the Nigerian College and the West African College of Physicians. In 1987, he received his Doctor of Medical Science degree (Dr.Med.Sc.) from the Karolinska Institutet, and he soon after became a visiting Research Fellow and Lecturer at the Liverpool School of Medicine. In 1995, he was appointed Professor of Pharmacology and Therapeutics at the University of Ibadan.
He was the primary investigator for severe and complicated malaria at the University of Ibadan during his tenure. His expertise in malaria allowed him to be a part of the global team that created novel antimalarials such as Halofantrine and Artemisinin. As a result, he successfully supervised his research team in the use of unique ways to brain treatment at the time. As a result of his groundbreaking study, he has become a global authority in the treatment of severe and complicated malaria. He served on the boards of four WHO Technical Working Groups at various times. He was sought after by the pharmaceutical industry in Nigeria and abroad for his expertise in the pharmacokinetics and pharmacodynamics of antimalarials.
In 1996, he joined the World Health Organization as an Advisor on Operational Research for the Accelerated Malaria Control Programme. This job allowed him to assist African Regional Ministries of Health in mainstreaming the evaluation of antimalarial efficacy for their countries and guiding them on the sensible use of antimalarials. During his tenure as Operations Research Manager, he successfully advised various governments on the rational substitution of first-line antimalarial medications, including research on cost effectiveness and the effects of user fees on the impoverished in African countries. In the year 2000, he was appointed as the WHO Representative to Uganda. His primary concern in Uganda was Health System Development. He and his team were successful in containing a large Ebola outbreak. He was the driving force behind the well-known Soroti project, which cut maternal mortality in Soroti District by more than half. He was also the lead investigator for the introduction of home malaria management in Uganda, which is currently one of the primary methods of early treatment of uncomplicated malaria recommended by WHO. Furthermore, he successfully managed the WHO team in Uganda to scale up HIV/TB management, which was a major Public Health concern in Uganda at the time. In 2005, he received the Uganda Ministry of Health Merit Award in Public Health for the impact his work had on the country's health system.