Alexander Zakharov, PhD, DSc, is Professor on the radio engineering faculty at National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute." A Senior Member of IEEE, he has published more 100 scientific articles, with more 20 appearing in IEEE journals since 2017. His international experience includes positions at Paratek Microwave and Trilithic developing bandpass filters and tunable filter technologies.

Sergii Litvintsev, PhD, is Associate Professor on the radio engineering faculty at National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute." A Member of IEEE, he received his PhD in radio engineering from Kyiv Polytechnic Institute in 2023 and has taught radio engineering at the university since 2000.