Tariq Aftab received his PhD degree in the Department of Botany, Aligarh Muslim University, India, and is currently an Assistant Professor there. He received prestigious Leibniz-DAAD fellowship from Germany, a Raman Fellowship from the Government of India, and Young Scientist Awards from the State Government of Uttar Pradesh and Government of India. He has worked as Visiting Scientist at IPK, Gatersleben, Germany, and in the Department of Plant Biology, Michigan State University, United States. He has edited 14 books with international publishers, including Elsevier Inc., Springer Nature, and CRC Press (Taylor & Francis Group), co-authored several book chapters, and published over 65 research papers in peer-reviewed international journals. His research interests include physiological, proteomic, and molecular studies on medicinal and crop plants. Dr. Khalid Rehman Hakeem (PhD) is Professor at King Abdulaziz University, Jeddah, Saudi Arabia. He has more both 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 has served as the visiting scientist at Jinan University, Guangzhou, China. He has more than 110 research publications in peer-reviewed international journals has extensive book publishing experience as well. He is included in the advisory board of Cambridge Scholars Publishing, UK. He is a fellow of 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 Asian Federation of Biotechnology, Korea.