Stepan Savchuk received the Ph.D. degree in geodesy and cartography from the Lviv Polytechnic National University, Lviv, Ukraine, in 1990, and the Habilitation degree in space geodesy from the Lviv Polytechnic National University of Lviv, Lviv, Ukraine, in 2008. He is a Full Professor in the Department of Geodesy and Astronomy, Lviv Polytechnic National University, where he teaches geodesy, GNSS data processing and spatial reference systems. He has been a Professor in satellite geodesy with Polish Air Force University, Deblin, Poland, since 2016. His major research interests include high-precision GNSS, geophysics of the Earth, Earth atmosphere, navigation with GNSS positioning, primarily for aviation applications. He has authored/coauthored 120 scientific publications in referred international journals, more than 80 papers in conference proceedings, and 6 book chapters. Prof. Savchuk was the recipient of multiple awards for his scientific and academic contributions.