American political consultant and lobbyist (born 1952)
Roger Jason Stone (born Roger Joseph Stone Jr.; August 27, 1952) is an American political assistant and lobbyist. He is most well known for the Robert Mueller special counsel investigation, and his involvement with and connections to Russian interference in the 2016 U.S. presidential election as a political consultant for the 2016 campaign of 45th, and 47th U.S. president Donald Trump. Since the 1970s, Stone has worked on the campaigns of Republican politicians, including Richard Nixon, Ronald Reagan, Jack Kemp, Bob Dole, George W. Bush, and Trump.
https://en.wikipedia.org/wiki/Roger_Stone