Igor Levchenko was Senior Research Fellow at the Commonwealth Scientific Industrial Research Organization, Sydney, NSW, Australia. He is currently a Research Scientist with the Plasma Sources and Applications Centre/Space Propulsion Centre, Nanyang Technological University, Singapore, and an Adjunct Professor with the School of Chemistry, Physics, and Mechanical Engineering, Queensland University of Technology, Brisbane, QLD, Australia. He has authored or co-authored more than 200 journal articles, as well as several books and book chapters. His current research interests include the development of plasma-enabled strategies for synthesis and functionalization of hierarchical multicomponent metamaterials, their application in energy harvesting and storage, electronics and medicine, and electric propulsion systems for space applications.