Same people that handled obumber, the billionaires.
You can go back to 2017 and see Obama’s overseas trip meeting with world leaders..China,India, France...after he left office and Trump had won. He also planned to meet there with Chinese President Xi Jinping, who hosted Mr. Trump for a high-profile visit only a few weeks earlier.
Obama never stopped his Presidency....
https://www.cbsnews.com/news/obama-returns-to-global-stage-now-as-a-private-citizen/