Hassan Y. Aboul Enein is a Professor Emeritus at the National Research Center in Cairo, Egypt. He was head of the Pharmaceutical Analysis Laboratory at King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia. He is an author of over 1100 refereed articles, 48 book chapters and 365 conference presentations. He also authored and edited 8 books. He is an Editorial Board Member of 22 journals, including Analytica Chimica Acta, Chirality, Biomedical Chromatography, Critical Reviews in Analytical Chemistry, Journal of Separation Science, Chromatographia, and Chirality. He is a member of the World Health Organization (WHO) advisory panel in International Pharmacopoeia and Pharmaceutical Preparations and a Fellow of the Royal Society of Chemistry (UK). He received his Ph.D. in 1971 in pharmaceutical and medicinal chemistry from the University of Mississippi, USA. He has received several awards, including the Scopus award for the most cited scientist in the Middle East in 2009.