John Sherman (1823 -  ) is the incumbent and 19th President of the United States and a Representative from Ohio's Thirteenth District. Having an interest in politics since his marriage, Sherman became a delegate in the 1848 Whig National Convention, nominating Zachary Taylor for the presidency. He moved to Ohio in the 1850s and was elected to the House of Representatives soon after. He served in President Fremont's cabinet in two of his three terms.
Upon learning of Fremont's refusal to run for a fourth term, John Sherman was one of the first to declare his candidacy for president. He faced off against Speaker of the House James G. Blaine for the Republican nomination, eventually winning it for himself. He received the endorsement of President Fremont, and was already on his way to win the election, and did so in a landslide victory.
In the first half of his term, Sherman convinced Congress to outlaw the spoils system, an instrument for political corruption, vowed to expand the boundaries of the United States, and settled multiple disputes regarding American Indian citizenship. He also helped to bring the US onto the world stage when he gave a speech supporting Russia and Tsar Alexander II against left-wing radicals.
Sherman, being an isolationist, came out against African colonies. He also vocally supported Civil Rights legislation, something which may affect his political future. With the South once again in the voting realm, Sherman arguably could pander to the Southern states, but it's highly unlikely that he would do so.