Professor Ahmed Hashash has completed his PhD from Manchester University, UK. He was a fellow of the California Institute of Regenerative Medicine (CIRM) and New York University Medical School (MSSM), USA. Prof. Ahmed Hashash worked as a senior biomedical research scientist at Mount Sinai School of Medicine of New York University and Children’s Hospital Los Angeles. He was Assistant Professor and Principal Investigator of Stem Cell & Regenerative Medicine at Keck School of Medicine and Ostrow School of Dentistry of the University of Southern California, USA. In August 2022, Prof. Hashash has joined Texas A &M University as Associate Professor of Biomedicine. From Jan 2017 to June 2022, Prof. Hashash joined the University of Edinburgh (UK)-Zhejiang Univ. Joint Institute of Biomedicine (now known as ZJUUoE Institute), as Associate Professor of Biomedicine. Prof. Hashash has several studies and publications on the genes/enzymes that control stem cell behavior and regenerative medicine. He has published more than 34 papers in reputed international journals and serving as an editorial board member of repute, in addition to over 17 book chapters. Prof. Hashash has received several international awards and recognitions over the years, including being the nominee for Kuwait Foundation for the Advancement of Science’s (KFAS) Prize in Applied Medical Sciences, and Manchester University Fellowship Award (UK). In, addiction, Prof. El-Hashash acts as a discussion leader at the prestigious Gordon Research Seminar/ Conference in USA, and a Peer Reviewer and International Extramural Review for The Medical Research Council (MRC) grant applications, London, UK. He is invited to speak at several international conferences in USA, Spain, Greece, Egypt, India, and China. He is the editor or author of over 10 books on stem cell and regenerative medicine that have been published by the prestigious publisher Elsevier and Springer. Prof. Hashash is currently Book Series Editor at Elsevier publisher, USA (2019-2028).