Andrés Pío Bernardino Chadwick Piñera (born 2 January 1956 in Santiago de Chile) is a Chilean right-winged politician and lawyer, member of the Independent Democrat Union (UDI) party. Chadwick was elected deputy for the District #33 in 1989, and was re-elected in 1993. In 1997, he was elected senator for the 9th Circunscription of the VI Región del Libertador General Bernardo O'Higgins, and was re-elected in 2005. On 18 July 2011 he became Minister Secretary General of Government.