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.