Dr Frederick Nai Charkley is a lecturer at the Department of Civil Engineering. He holds a PhD and MSc in Geotechnical Engineering from Hohai University, Nanjing, China. Dr Charkley received his BSc (Hons) in Civil Engineering from KNUST, Ghana. His area of specialty is slope stability and ground improvement. He has special interest in investigating the stabilization of expansive soils using solid waste materials. Dr Charkley has authorized a wide range of publications in reputable journals