Professor Azamal Husen is a Foreign Delegate at Wolaita Sodo University, Wolaita, Ethiopia. He has served the University of Gondar, Ethiopia, as a Full Professor of Biology, and worked there as the Coordinator of the MSc Program and as the Head of the Department of Biology. He was a Visiting Faculty member of the Forest Research Institute, and the Doon College of Agriculture and Forest at Dehra Dun, India. Dr Husen’s research and teaching experience of 20 years includes biogenic nanomaterial fabrication and application, plant responses to nanomaterials, plant adaptation to harsh environments at the physiological, biochemical, and molecular levels, herbal medicine, and clonal propagation for improvement of tree species. Dr Husen contributed to R&D projects of World Bank, ICAR, ICFRE, JBIC, etc. To his credit are >200 publications; and he is Editor-in-Chief of the American Journal of Plant Physiology. He is also working as Series Editor of ‘Exploring Medicinal Plants’, published by Taylor & Francis Group, USA; ‘Plant Biology, Sustainability, and Climate Change’, published by Elsevier, USA; and ‘Smart Nanomaterials Technology’, published by Springer Nature Singapore Pte Ltd. Singapore.