Prof. Demirci received his degree from the Faculty of Pharmacy of Anadolu University, Eskisehir, Türkiye, in 1992. In 1995, he obtained his MSc degree from the School of Chemical Sciences, University of East Anglia, Norwich, UK. During his PhD, he worked at HEJRICH, Pakistan, and at the Department of Pharmacognosy at the Faculty of Pharmacy, University of Mississippi, Oxford, US. He finished his PhD research in 2000 at Anadolu University. He was appointed Assistant Professor at the Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University in 2001. He has >190 international and national peer-reviewed publications and 20 book chapters; is editor of several books; and is a member of the editorial board of various natural product journals. He has >30 national and international industry/research projects, >200 national and international presentations, and 20 patent applications. He received the Science Award of Anadolu University in 2012, and the Science Award of the Turkish Pharmacists' Association in 2022. His research focus is the chemistry and biological activity of natural products: terpenes. In vitro and in silico bioassays, enzyme inhibitors, broad spectrum antimicrobials, combination products towards synergistic activity, and biotransformations of natural compounds are among his drug discovery work. He is co-founder of Badebio Ltd. (2009) and involved in phytotherapeutical and aromatherapeutic R&D and product development.