Dr. Saheed Adeyinka Oke is an Associate Professor and a National Research Foundation (NRF) rated researcher. He is currently working at the Civil Engineering Department of Central University of Technology Free State, South Africa. He bagged his PhD in Geohydrology and MSc in Engineering Geology /Hydrogeology. He has taught and researched for over 12 years. He is a member of many professional organisations including International Association of Hydrogeology (IAH), African Groundwater Network (AGN), Geological Society of South Africa Groundwater Division (GSSA), Nigerian Mining and Geoscience Society (NMGS), Nigeria Association of Hydrogeology (NAH) and Water Institute of Southern Africa. Dr. Fauziah Ahmad completed her Ph. D degree at the University of Strathclyde UK in 1989 and is now a professor at the Universiti Sains Malaysia. She has published over 22 research books and 250 papers in various journals. Her recent research areas include slope stability, slope monitoring and landslide, bio-geomat and bio-geoengineering for soil improvement.