This is stated in the text of the corresponding decree.
“To appoint Oleg Yuryevich Tatarov as Deputy Head of the Office of the President of Ukraine,” the statement says.
Earlier, Zelensky replaced the head of Ukraine's military intelligence.
Zelensky appoints new deputy head of the presidential office
2020-08-05T23:01:18.976Z
President of Ukraine Volodymyr Zelensky has appointed Oleg Tatarov as deputy head of the presidential office.
Source: russiart