Vicente "Tito" Castelo Sotto III is a Filipino politician, and the 29th and current Senate President of the Philippines. Sotto served as Vice Mayor of Quezon City, the Philippines' most populous city, from 1988 to 1992. Following the 2016 elections, he is currently serving his fourth term in the Senate, having served two consecutive terms from 1992 to 2004; he was re-elected to the Senate in 2010.