Serviceman of the Armed Forces of Ukraine, "Come Back Alive" consultant
Demchenko graduated from the Donetsk Law Institute of the Ministry of Internal Affairs of Ukraine in 2007. Since 2008, he has worked in the media, particularly since 2016, in the
"Donbas. Realii" project from Radio Free Europe/Radio Liberty. He was mobilized to the ranks of the Armed Forces of Ukraine in April 2023.