Omotayo Arotiba received his PhD in physical chemistry/electrochemistry from the University of the Western Cape (UWC), South Africa in 2009. He is now a full Professor at the Department of Chemical Sciences and the Director of the Centre for Nanomaterials Science Research at the University of Johannesburg (UJ). Prof Arotiba is the current Chairman of the Electrochemistry Division (ElectrochemSA) of the South African Chemical Institute. He leads the Electrochemistry Research Group at UJ and his research focus includes (but not limited to) electrochemical technologies (photoelectrocatalytic, Fenton, sonoelectrochemical, ionic diode membrane, etc.), for water treatment, electrochemical sensors and biosensors and materials electrochemistry. He is a member of the International Society of Electrochemistry (since 2007), a Fellow of the Royal Society of Chemistry (UK) and a Fellow of the Chemical Society of Nigeria.