Dr. Yehia Hafez is currently working as Professor in Department of Meteorology Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Saudi Arabia. He has completed his PhD in Meteorology from Cairo University, Egypt in 1997. Previously he was appointed as Forecaster at Egyptian Metrological Authority, Egypt, Administrator, Associate Lecturer, Associated Professor, and Professor at Cairo University, Giza, Egypt and Professor at Head of Department of Meteorology, Collage of Civil Aviation, Libya. He has supervised 3 MSc students and 1 PhD student. His main area of research interest focuses on Synoptic, Blocking Systems, Climate and Climate Change. He has published 18 research articles in journals contributed as author/co-author. He is professional member of American Meteorological Society, Egyptian Meteorological Society, Quality Assurance Unit and member of Faculty of Science Council. He is also serving as reviewer and member of editorial board for journals such as International Science and Investigation Journal, Journal of Geoscience and Environment Protection, African Research Journal (ARJ), Bulletin of Faculty of science, Cairo University, Advisory Board of Geoscience Research, International Journal of Climatology, Atmospheric Science Letters, and King Abdulaziz University Journal. He also attended number conferences and training workshops.