Dr. Ahmed Mohsen Hamdan graduated from the Faculty of Pharmacy at Alexandria University, Egypt, in May 2001 with a grade of Distinction honor. He was appointed as a teaching assistant in the Department of Pharmacognosy and Medicinal Plant Chemistry at Misr International University from September 2022 until September 2005. He got his PhD from the Faculty of Pharmacy at Kyushu University, Japan, in March 2011. He got a post-doctoral researcher position in the Department of Biological Rhythm at the Max Planck Institute for Biophysical Chemistry and Chemistry, Göttingen, Germany. From September 2011 to September 2013, the Institute received a grant to develop education in the Middle East. He was an assistant professor at the Faculty of Pharmacy at the University of Tabuk from March 2014 toThe research interests of Dr. Hamdan are summarized in the biological cycle and its effects on drug manufacturing and therapeutics.