Zahid Hameed Siddiqui, PhD, is Assistant Professor at Tabuk University, Saudi Arabia. He is an environmentalist and plant biotechnologist. His area of research interest includes environmental pollution, conservation biology, and secondary metabolite production-based studies. He has nine years of teaching and research experience in plant biology. He has to his credit many research papers in prestigious journals, reviews, book chapters, and books. He has co-authored a book entitled Basics of Environmental Science. He is an active participant and presents his work at international and national seminars and conferences. Earlier, he worked as a principal investigator and co-investigator in many university-funded research projects. He is also actively engaged in developing research facilities at the University of Tabuk. Dr. Siddiqui has received many prestigious awards, including being named CSIR-Senior Research Fellow 2010, Govt. of India, and NESA Environmentalist of the Year Award 2020. He was awarded his PhD in the year 2011 from Hamdard University, India.
Khalid Rehman Hakeem, PhD, is Professor at King Abdulaziz University, Jeddah, Saudi Arabia. After completing his doctorate (botany; specialization in plant eco-physiology and molecular biology) from Jamia Hamdard, New Delhi, India, he worked as a lecturer at the University of Kashmir, Srinagar, India. At Universiti Putra Malaysia, Selangor, Malaysia, he was a Postdoctorate Fellow and Fellow Researcher (Associate Professor) for several years. Dr. Hakeem has more than 14 years of teaching and research experience in plant eco-physiology, biotechnology and molecular biology, medicinal plant research, plant-microbe-soil interactions, as well as in environmental studies. He is the recipient of several fellowships at both national and international levels. He has served as a visiting scientist at Jinan University, Guangzhou, China. Currently, he is involved with a number of international research projects with different government organizations. To date, Dr. Hakeem has authored and edited more than 85 books with international publishers. He also has to his credit more than 185 research publications in peer-reviewed international journals and 55 book chapters in edited volumes with international publishers. At present, Dr. Hakeem serves as an editorial board member and reviewer for several high-impact international scientific journals. He is included in the advisory board of Cambridge Scholars Publishing, UK. He is also a fellow of the Plantae Group of the American Society of Plant Biologists, member of the World Academy of Sciences, member of the International Society for Development and Sustainability, Japan, and member of the Asian Federation of Biotechnology, Korea. Dr. Hakeem has been listed in Marquis Who’s Who in the World, since 2014-2020. Currently, Dr. Hakeem is engaged in studying the plant processes at eco-physiological as well as molecular levels.