Salih is a professor of Civil engineering at Khartoum University, Sudan. After his PhD and DIC at Imperial College, London, he returned to Sudan in 1973 and has since worked in various teaching, research and consulting capacities at the University and abroad. These positions include the deputy vice chancellorship of the University; UNESCO's environmental adviser (Arab Region), deputy secretary of the IHP and director of Cairo and Tehran Offices and director of Water Sciences Division in Paris. He initiated regional and international networks on water resources management in arid zones and served as a jury member of many international water prizes. He is a fellow of the African Academy of Sciences and the International Water Resources Association. He is a member of many International Scientific Associations (IAHR, IAHS, etc.).

Majali received his MD from the Medical College, Syrian University, Damascus, in 1949; Diploma of Laryngology and Otology, Royal College of Surgeons and Physicians, London, 1953; Fellowship, American College of Surgeons, 1960; “Doctor Honoris Causa,” Hacettepe University, Ankara, Turkey, 1974; “Doctor Honoris Causa,” University of Selangor in Malaysia, Malaysia, 2011; and Fellowship of the Royal College of Physicians, London, 1986; and an Honorary Professorship from L.N. Gumilyov Eurasain National Univeristy, Astana, Kazakstan. He is President and Founding Fellow of the Islamic World Academy of Sciences (1986) and the Third World Academy of Sciences (1985). Prof. Majali served as Prime Minister of Jordan for two terms during 1990s, 1993-1995 and 1997-1998. Currently, Prof. Majali is President of the World Affairs Council (Jordan), the InterAction Council.

Al-Sulaiman (PhD, 1999, UK) is professor, Sultan Qaboos University (SQU), College of Engineering, Oman. She is a chemical Engineer experienced in environmental engineering, with an emphasis on environmental protection. She has received several awards and recognitions, the latest of which were Khalifa Award for Higher Education (2013), the WSO Education Award (2011), First Prize of the Saudi Arabia Environmental Management Award (2008), Distinguished Teaching Excellence Award from SQU (2007), Environmental Advocacy Award from the Arab Towns Organization (2007), Distinguished Researcher Award from SQU (2005). She has published many books/chapters in books, and more than 120 referred international journal articles. She has served as the Editor of many Special Issues. Also, she has been invited to be a member of editorial boards of many international environmental and engineering journals.

Djeffal is professor, University of Batna-2, Batna, Algeria. His contributions to materials science, solid-state devices and artificial intelligence (AI) have gained substantial research acclaim in the field of electronic device modeling and fabrication, specifically in the area of development of new high-performance and low cost microelectronic devices for renewable energy and environmental sensing applications, as evidenced by the number of citations for his published papers in a short span of time. In the context of microelectronic devices for renewable energy and environmental sensing applications, Djeffal has successfully developed new approaches and design techniques of microelectronic devices using soft-computing and AI-based methods. These approaches are now widely used by several scientific centers. He has published more than 300 journal articles and conference papers and is the author of some books and book-chapters in the field of photovoltaic devices/environmental sensors and soft-computing. Member of the African Academy of Sciences, he has received the Shoman Award for Arab Researchers, Africa Award for Young Researchers and Microsoft-TWAS-AAS Award, among others.