Yaroslav Pustovyi studied space avionics and ground control radio equipment in Mozhayskiy Space Engineering Military Academy from 1988 to 1993. After graduation, he entered postgraduate courses in the Mozhayskiy Academy and studied there until November 1994. Since January 1995, Yaroslav Pustovyi worked in the Institute of Magnetism of National Academy of Sciences of Ukraine as a scientific researcher. He investigated non-stationary electrodynamics and defended his thesis on the topic "Radiation of Ultra-Wide-Band Signals by Aperture Antennas" in June 1996.
Fluent in Ukrainian, English, and Russian.