Theophilos Ioannides is Research Director at the Institute of Chemical Engineering Sciences of FORTH and was appointed as Institute Director on 10 April 2023. He holds a diploma in chemical engineering from the National Technical University of Athens (1986) and a Ph.D. in chemical engineering from the University of Patras (1991). He carried out postdoctoral research at the Department of Chemical Engineering of Caltech (1991-1993), at the Department of Chemical Engineering of the University of Patras, and at the Institute of Chemical Engineering and High Temperature Chemical Processes of the Foundation for Research and Technology-Hellas (FORTH/ICE-HT) in the 1993-1997 period. He was appointed Associate Researcher at FORTH/ICE-HT in 1997, and he has been a Research Director at FORTH/ICE-HT since 2008. He has extensive teaching experience as a collaborating faculty member of the Hellenic Open University (2011-2019). He has been Executive Editor of the Chemical Engineering Journal (Elsevier) since 2020. He has participated in/coordinated numerous national and European research projects, and he has served as a member of the Sectorial Scientific Council in the field of energy at the National Council for Research and Innovation of Greece (2018-2020). He was the recipient of one of the Global 100 Eco-Tech Awards in September 2005 at Expo 2005, Nagoya, Japan, for the technology “Transparent thermal insulation”.