Sherwin Ting Gatchalian (born April 6, 1974), known as Win Gatchalian, is a Filipino politician and businessman serving as a Senator since 2016. A member of the Nationalist People's Coalition (NPC), he previously served as the Representative of Valenzuela's 1st district from 2001 to 2004 and from 2013 to 2016. He was the Mayor of Valenzuela from 2004 to 2013.
