Blavatnik, who is closely associated with Vladimir Putin, is one of the largest donors to the US Republican Party, and in 2015–2016 donated a total of $7.35 million to six Republican political candidates, including South Carolina Senator Lindsey Graham, Florida Senator Marco Rubio and Arizona Senator John McCain. In February 2016, Blavatnik donated over $1 million to an anti-Donald Trump GOP group. He also donated $1 million to the committee for the inauguration of Donald Trump. In August 2017, political scientist Bo Rothstein resigned from the Blavatnik School of Government out of opposition to Blavatnik's politics.