He may be Nawrocki's right-hand man at the Presidential Palace. Who's Jarek with the beard?

The position of Deputy Head of the Office of the president of PR is to be taken by Jarosław Dębowski - said the President-elect Karol Nawrocki. Anonymous sources in the PiS say that Dębowski - besides called "Jarki with a beard" - is "candidate for the fresh Mastaler". What else do we know about him?