SERGEI A. TRETYAKOV received the Dipl. Engineer-Physicist, the Candidate of Sciences (PhD), and the Doctor of Sciences degrees (all in radiophysics) from the St. Petersburg State Technical University (Russia), in 1980, 1987, and 1995, respectively. From 1980 to 2000 he was with the Radiophysics Department of the St. Petersburg State Technical University. Presently, he is professor of radio science at the Department of Electronics and Nanoengineering, Aalto University, Finland. His main scientific interests are electromagnetic field theory, complex media electromagnetics, metamaterials, and microwave engineering. He has authored or co-authored six research monographs and more than 350 journal papers. Prof. Tretyakov served as President of the Virtual Institute for Artificial Electromagnetic Materials and Metamaterials (”Metamorphose VI”), as General Chair, International Congress Series on Advanced Electromagnetic Materials in Microwaves and Optics (Metamaterials), from 2007 to 2013, and as Chairman of the St. Petersburg IEEE ED/MTT/AP Chapter from 1995 to 1998.

VIKTAR S. ASADCHY received the Diploma and Master’s degrees in physics from Gomel State University, Belarus, in 2013 and 2014, respectively. In 2017, Viktar received the Doctor of Science degree in electrical engineering from Aalto University, Finland. From 2019 until 2022, he was a Postdoctoral Fellow at the Department of Electrical Engineering, Stanford University, CA, USA. He is currently an Assistant Professor at the Department of Electronics and Nanoengineering at Aalto University, Finland.

Dr. Asadchy is an Elected Associate Member of URSI. He was awarded the Jorma Ollila Fellowship in 2018, the Finnish Foundation for Technology Promotion in 2018, and the Aalto Dissertation Award in 2017. His research has been recognized with the Sergei A. Schelkunoff Transactions Prize Paper Award in 2019 and the best Young Scientist Best Paper Award (First Prize) at URSI EMTS 2019.  He has published 2 book chapters, more than 50 journal articles, and has given 5 invited talks. His main research interests include spatially dispersive materials, metasurfaces, reconfigurable intelligent surfaces, photonic crystals, electromagnetic nonreciprocity, time-varying systems, Weyl semimetals, and advanced diffractive optical components.

MIKHAIL S. SIDORENKO received the Bachelor and Master’s degrees in physics from Saint Petersburg State University, Russian Federation, in 2004 and 2007, respectively. In 2016, Mikhail received the Candidate of Sciences (PhD) degree in physics from Saint Petersburg State University, Russian Federation. From 2019 until 2023, he was a Postdoctoral Researcher at the Faculty of Physics, ITMO University, Saint Petersburg. He has published more than 20 articles. His main research interests include photonic crystals, quasiperiodic photonic structures, asymptotic methods in wave propagation problems, and wavelet analysis.