Who is Oleg Polnjak

As of my last knowledge update in October 2021, there is no widely known public figure or prominent individual named Oleg Polnjak. It is possible that he may not be a public figure or that he emerged in public discourse after that date. If you are looking for a specific Oleg Polnjak, providing more context or details may help in giving a more accurate response. Alternatively, you might want to check more recent sources or news articles for the latest information.