Dr. Orhan is currently Dean of the Faculty of Pharmacy, Gazi University, Ankara, Turkey (2016 - continues). She got her Ph. D. (Pharmacognosy) from the Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Türkiye (1999-2002). Previously was Dean of Faculty of Pharmacy, Eastern Mediterranean University, Gazimagosa, The Northern Cyprus (2011-2014). She is Chair- Deans Council of Pharmacy Faculties in Türkiye. Principal Member - Turkish Academy of Sciences (TÜBA). Fellow - Islamic World Academy of Sciences (IAS).
2006 Young Scientist Award given by Pharmacy Academy - Turkish Association of Pharmacists.
2010 Young Woman Scientist Award for Asia-Pacific Region given by Organization for Women in Science for the Developing World (OWSD, Italy).
2010 Science Award in Biology by COMSTECH (Committee on Scientific and Technological Cooperation by OIC - Organization of Islamic Cooperation).
2011 Young Female Scientist Award by L’Oreal & Turkish Academy of Sciences (TÜBA).
2011 Honor Award represented by Gazi University.
2015 Innovation Award for Women by Turkish Scientific and Technological Research Council (TUBITAK) and Association of Woman & Democracy (KADEM).
2016 Science Award given by Pharmacy Academy - Turkish Association of Pharmacists.
2017 Success Award (the most-cited scientist) given by Foundation of Drug, Pharmacy, Health and Science Technologies (IVEK).
2017 Golden Mortar Science Award represented by Pharmacist Journal.
2017 Silver Medal for the Patent at International Scientific Invention Fair (ISIF).
2018 Best Academic Invention Medal by International Federation of Invention Associations (IFIA).
2021 Honorable Mention Award – MESMAP-INNOVA International Medicinal and Aromatic Plants R&D Project Fair (Theraphyto Mouth Defence Spray – Innovative Product).
2024 TWAS Award in Chemistry – The World Academy of Sciences (TWAS).
287 Articles in international journals listed by SCI, 44 articles in national journals, & 21 book chapters, 4 books, h index: 49 (WoS) & 55 (Scopus), 3 patents, 5 patent applications, cited over 11.500.
Vice Chair of International Scientific Board of Austrian Drug Screening Institute (ADSI).
Representative of Southeast Europe & Turkey for Phytochemical Society of Europe (PSE).
Associate Editor for Phytomedicine, Editor-in-Chief for Turkish Journal of Pharmaceutical Sciences.
Research areas: Phytotherapy, Pharmacognosy, herbal medicines, enzyme inhibitors, neurodegenerative diseases, marine natural products, natural cosmetics.