Prof. Gugu H Mhlongo is a Principal Researcher at the Centre for Nanostructures and Advanced Materials (CeNAM), DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research in Pretoria, South Africa. She is also an Affiliated Associate Professor at the University of the Free State. She received her MSc and PhD degrees from the University of Zululand and University of the Free State, South Africa in 2008 and 2011, respectively. She has published more than 45 articles in peer reviewed journals. Her current research interests include development of nanostructured doped and functionalized semiconductor metal oxides materials and their application in gas sensing platforms such as air quality and food quality monitoring.