Sergio Osmeña was a Filipino politician who served as the 4th President of the Philippines from 1944 to 1946. He was previously the Vice President under Manuel Quezon. As President, he oversaw the Philippines during World War II and continued the fight for independence after the war. Osmeña co-founded the Nacionalista Party and served in the House of Representatives, Senate, and as Governor of Cebu prior to becoming Vice President and later President.