Clifford Odimegwu is a professor of demography, social statistics and populationhealth at the University of the Witwatersrand, South Africa. His current researchinterests include sexual and reproductive health, adult mortality, fertility, familydemography, health systems and interventions. He is also the Editor-in-Chief ofAfrican Population Studies, and Assistant Editor of African Journal of ReproductiveHealth. He has a PhD in Demography and Social Statistics from Obafemi AwolowoUniversity, Ife, Nigeria, and Certificate in International Health from Harvard Schoolof Public Health.