Керівник Офісу Президента України / Head of the Office of the President of Ukraine
https://twitter.com/AndriyYermak/status/1609293842926260224
https://twitter.com/AndriyYermak/status/1609298686588207107
Yermak is a real nasty cookie - He runs the country and has his aids minding Zelinski who follows his orders. Yermak is suspected of being FSB/KGB spy, like his father.