Prof. Dr. Ali Abdullah Shati, a Saudi Biologist, graduated with BSc in Biology from King Saud University, Kingdom of Saudi Arabia in 1998, and MSc in Environmental Sciences from Essex University, the United Kingdom in 2004. He received his Ph.D. in Biology of Vertebrates in 2007 from Aberdeen University, United Kingdom. Since 2000, he has been working at King Khalid University in the Kingdom of Saudi Arabia, where he was promoted to Associate Professor in 2013, Professor in 2017 in the major of Vertebrate Physiology and Toxicology. He has held several positions at King Khalid University, including the head of Research Center at College of Science in 2012, Vice Dean of Scientific Research in 2012, Vice Dean of Academic Affairs in the college of science in 2014, and he is currently the Dean of College of Science. His research interests focus on studying the physiological and molecular changes invertebrates as a result of various environmental impacts, in addition to the cytotoxicity of Nano-materials, the therapeutic and protective effect of different bio-extracts, and antioxidant research, He has published more than eighty-seven online papers in international journals indexed in Clarivate Analytics and Scopus, with high impact factor. He has supervised MSc students specialized in the Physiological and Molecular effects of various components on vertebrate's functions. He participated in fourteen international conferences in the United States, United Kingdom, Canada, Australia, New Zealand, and Brazil. In the last ten years, he has awarded several research grants from the deanship of scientific researches at King Khalid University, as a principal investigator. He is also a member of the American Society of Toxicology, the Association of Arab Biologists, and the Saudi Biological Society.