In 2022, during Russian invasion of Ukraine, Yaroslavskyi announced that he planned to sell his $50 million Kaiser yacht to rebuild Kharkiv, after the outbreak of war.

According to the head of the Kharkiv regional military administration, Oleh Sinegubov, Yaroslavskyi said in the first week of the Russian invasion that he was unable to assist the Ukrainian Defense Forces.

Yaroslavskyi graduated as a technologist from the Kharkiv Academy of Public Nutrition and then spent 3 years doing military service in the Soviet Army in Hungary.

Upon being demobilized, he took jurisprudence courses provided by the Ministry of Internal Affairs and spent a year working as an inspector in the Kharkiv Department Against Misappropriation of Socialist Property (so called OBKhSS).

According to the head of the Kharkiv regional military administration, Oleh Sinegubov, Yaroslavskyi said in the first week of the Russian invasion that he was unable to assist the Ukrainian Defense Forces.