Rob Portman is an American politician and attorney who served as a United States Senator from Ohio from 2011 to 2022. He is a member of the Republican Party and previously held positions such as the U.S. Representative for Ohio's 2nd congressional district and the Director of the Office of Management and Budget under President George W. Bush. During his time in the Senate, Portman focused on issues like economic growth, trade, and fiscal responsibility. He was known for his bipartisan efforts, working with both Democrats and Republicans on various initiatives, including legislation related to job creation and healthcare reform.