Andrei Rotaru is Professor at the Babeş–Bolyai University and Senior Researcher II at the Institute of the Physical Chemistry–Ilie Murgulescu of the Romanian Academy, Romania. He received a BSc in Chemistry & Physics (2006) from the University of Bucharest (Romania) and subsequently obtained the Doctorate of Engineering in Mechanical Engineering (2011) from the Politehnica University of Bucharest (Romania), the PhD in Chemistry (2013) from University of St Andrews (United Kingdom) and the Doctorate of Science in Physics (2016) from the University of Craiova (Romania). Since 2021 he holds the Habilitation in Chemistry from the University of Craiova, Romania. Between April 2014 and October 2015 he was a PostDoctoral Researcher at University of Craiova with a fellowship of Visiting Researcher at the University of Cambridge (United Kingdom). In 2006 he joined INFLPR–The National Institute for Laser, Plasma and Radiation Physics (Romania) as an Assistant Researcher and was promoted up to Senior Researcher II in 2014. Further, in 2017 he became Associate Professor of Chemistry at the University of Craiova, since 2019 he is Senior Researcher II at the Institute of the Physical Chemistry–Ilie Murgulescu of the Romanian Academy, while since 2023 he is Professor at the Babeş–Bolyai University. Currently he is the President of CEEC-TAC (Central and Eastern European Committee for Thermal Analysis and Calorimetry) and Chairman of the Scientific Commission of ICTAC (International Confederation of Thermal Analysis and Calorimetry); also, he was the President of ESTAC (European Society for Thermal Analysis and Calorimetry) between 2018-2022. He is the Editor in Chief of Thermal Advances and the Co-Editor in Chief of Hybrid Advances; he was the Coordinating Editor (2019-2020) and then the Editor in Chief (2021-2023) of Applied Surface Science Advances, serving also as Member of the Editorial Boards of other journals: Journal of Thermal Analysis and Calorimetry, Surfaces and Interfaces, Molecules, Journal of Mining and Metallurgy, Section B: Metallurgy. His research interests include: solid state chemistry, condensed matter physics, thermophysical properties of materials, thermal analysis and calorimetry, dynamics of nonlinear systems, kinetics of heterogeneous processes, surface science, processing thin films of soft materials by laser-assisted techniques.