A lecturer at Obafemi Awolowo University, Nigeria teaching Demography and Social Statistics. John’s PhD focused on quality of life of older persons, labour force participation and retirement. Before taking up appointment at the university, he worked as an analyst in one of the biggest banks in Africa. He has also worked as a team member on some World Bank and WHO supported projects, for example Widowhood Study in Osun State, and Child Immunization in Nigeria. John is well equipped with both quantitative and qualitative research skills. He am a member of technical committee of Tertiary Education Fund (TETFUND) on the research Vulnerability Indicators of the Elderly Population in Nigeria. He is well versed in quantitative and qualitative analyse and also equipped with the use of demographic techniques, for example, life table models. His research interest is on the health and demographic aspects of population ageing.