Cory Lewandowski worked for the RNC and then for the Koch Bros.
Paul Manafort has worked for both Bushes and others in the Republican establishment.
One of Trump's new Foreign Policy advisors is CFR.
Trump's Chicago Tower was financed to the tune of 168 million by George Soros.
Trump gave lots of money to Democrat's including Hillary's corrupt Clinton Fund.
Lewandowski briefly worked for the Republican National Committee in 2001, serving as Northeast legislative political director.
Paul Manafort has worked as an advisor for the Presidential campaigns of Ford, Reagan, Bush (daddy), Dole, & Bush (son).
Yes, Soros did invest 160 million in Trump Towers, and sadly enough he even spent time with him. What his true motivations were are unknown but most likely business was the motivation.
Big business moguls, Koch brothers included, donate monies to both sides of the political spectrum. It's what they do to keep all options in play. Since 2009 Trump has donated very little money to Democrats.