modern geopolitical theory
Arestovych is an organizer of psychological seminars and trainings and a charity fund for psychological support to the military.
He is a speaker of the Trilateral Contact Group on Ukraine and Adviser on Information Policy Head of the Ukrainian Delegation to the Minsk Group and Freelance Adviser to the Head of the Office of the President of Ukraine Andriy Yermak on Strategic Communications in the Field of National Security and Defence.
Since 24 February 2022, Arestovych has been holding daily briefings on the current situation regarding the Russian invasion of Ukraine, as an Adviser to the Head of the Office of the President of Ukraine.
At the beginning of 2009, together with Korchynsky, he organized the citizens' initiative "Get everyone out", the task of which was "to get the authorities to solve the main problems of small and medium-sized enterprises and the country's motor carriers".
In June 2009, he was appointed deputy head of the Primorsky District Administration of the Odesa City Council, but he was dismissed after three months at his own will.
On 28 October 2020, Arestovych was appointed by Leonid Kravchuk as Adviser on Information Policy and official speaker of the Ukrainian delegation to the Trilateral Contact Group on Ukraine at the Minsk talks on resolving the War in Donbas.
On 1 December 2020, the Head of the Office of the President of Ukraine Andriy Yermak appointed Oleksiy Arestovych his freelance advisor on strategic communications in the field of national security and defense.[ Leonid Kravchuk, the head of the TCG, noted that Arestovych's candidacy was chosen because of his military experience and the presence of a vision and position on issues that are the subject of the TCG.
Since the start of the 2022 Russian invasion of Ukraine on 24 February 2022, Arestovych has been holding daily briefings on the current situation, as an adviser to the Head of the Office of the President of Ukraine. These videos garnered him a significant following. In 2022, after the Russian invasion of Ukraine, Arestovych became known for his 2019 prediction on the inevitability of a war with Russia.
In August 2022, Arestovych announced that he plans to run for the presidency of Ukraine if Volodymyr Zelenskyy does not run for a second term.