Zavadsky was originally from
Rostov Oblast. He graduated from the in 1995, then graduated from the
Moscow Higher Combined Arms Command School in 2000.
Lenta.ru reported that Zavadsky was killed near Izium in
Kharkiv Oblast on 28 November 2023 by one of the Russian military's own landmines in Ukraine. The Russian Defence Ministry did not comment on the incident. The location of his death was not certain:
the Kyiv Independent was skeptical that it was Izium, noting that the city was "dozens of kilometers" behind the front line in Ukrainian-controlled territory. The
BBC suggested that Zavadsky's unit was stationed in
Kherson Oblast during the incident. On 4 December,
Voronezh Oblast governor
Alexander Gusev confirmed Zavadsky had died "in the line of duty" in Ukraine, but did not elaborate on details. ==Personal life==