​Al-Weshah is a senior academic leader, accredited professional technical consultant and devoted educator in hydrology and water resources engineering. He got his PhD in Water Resources Engineering from the University of Illinois at Urbana-Champaign in 1993. He has a diverse and progressive experience in engineering analysis, modelling in hydrological studies of floods and flood risk mapping, and design of major hydraulic structures.  He has proven leadership skills in scientific research and consulting services addressing major challenges in these areas in the Middle East and abroad. He published more than 50 articles in top refereed journal and hundreds of technical reports.​