My guess is Britain. Still a lot of influence over Hong Kong. if that's the case he's really working for the Roths.
"I care not what puppet is placed upon the throne of England to rule the Empire on which the sun never sets. The man who controls Britain's money supply controls the British Empire, and I control the British money supply."
Nathan Mayer Rothschild
I think it's taken for granted that the UK is an ally and would never undermine the US, but then they have their shadow gov too