Now that Mike Bloomberg is in spotlight, it's worth mentioning his top pol. adviser, Doug Schoen, was up until 11/19 an active foreign lobbyist for Ukrainian oligarch Victor Pinchuk.
Schoen worked for Pinchuk for 20yrs (!) before abruptly terminating & joining Team Bloomberg.
https://twitter.com/JordanSchachtel/status/1224087082978758657