Abdu A. Adamu is a Nigerian-born medical doctor and implementation researcher with interest in accelerating equitable access to and uptake of recommended vaccines to improve population health. He has advanced skills in quantitative and qualitative research, including the use of implementation science frameworks, and systems thinking tools like causal loop diagram. He received his M.Sc. from the University of the Witwatersrand in 2017 and his PhD from Stellenbosch University in 2019.