Roger Jason Stone is a long-time American political consultant, lobbyist, and strategist known for his work on the campaigns of Republican politicians. His career spans several decades, having been involved in American politics since the 1970s. Stone is recognized for his hardball tactics, opposition research, and a distinct personal style, often described as a 'political dirty trickster.' He gained significant media attention for his role in the 2016 Trump campaign and subsequent legal challenges.