She holds a PhD in Public Health from the University of the Witwatersrand, South Africa obtained in 2010. Her thesis focused on the double burden of malnutrition in a high HIV prevalence setting in rural South Africa. She also holds a Master of Public Health degree from Moi University, Kenya obtained in 2004 and a BSc. in Environmental Health from the same University, obtained in 1999. She first joined APHRC in 2003 as a Research Trainee before proceeding for PhD studies in 2007, and rejoined the Center in 2010 as a post-doctoral fellow.
Elizabeth is also a Wellcome Trust Fellow with research interests in maternal and child health issues, particularly child growth and development. She has a passion to promote the wellbeing of children, particularly those growing under vulnerable situations like slum settings. Elizabeth has also authored several publications on public health issues, focusing mainly on child health and malnutrition.