Tajudeen is a Medical Doctor with postgraduate qualifications in Pediatrics and Public Health. He is a Fellow of the West African College of Physicians and African Public Health Leaders Fellow of the Chatham House Royal Institute of International Affairs, UK. He has years of senior level experience in Emergency Preparedness and Response, Health Workforce Development, Public Health Research, Health System Strengthening, Health Diplomacy, Maternal and Child Health, and Development of Public Health Institutes.

He is currently the Head of Public Health Institutes and Research at the Africa Centres for Disease Control and Prevention (Africa CDC), African Union (AU), Addis Ababa, Ethiopia. He coordinates the establishment and strengthening of National Public Health Institutes across the AU Member States. He coordinates the Health Workforce Development and Public Health Research agendas of the Africa CDC.

Tajudeen leads the medical countermeasures section of the Africa CDC COVID-19 response. He co-chairs the case management technical working group of the Africa Taskforce on COVID-19. He leads the Saving Lives and Livelihoods Programme (partnership to accelerate COVID-19 vaccination in Africa) of the African Union.