Background
Tiangco was born into a middle-class family on November 21, 1967 in Manila. He is the son of Restituto B. Tiangco and Erlinda M. Tiangco.
Tiangco was born into a middle-class family on November 21, 1967 in Manila. He is the son of Restituto B. Tiangco and Erlinda M. Tiangco.
Tiangco had his primary and secondary education at the Xavier School and subsequently graduated with a Bachelor"s degree in Management at Ateneo de Manila University.
He is the brother of Mayor John Rey Tiangco, who succeeded him as the mayor. He worked as the Assistant Operation Manager at the Engineering & Maintenance Department of Transport-Pacific Journey Fishing Corporation from 1991 to 1994 and was promoted as the General Manager in 1994 and Executive Vice-President in 1996. Tiangco also worked as the Chief Executive Officer at the Pacific Tomich Corporation.
Mayor of Navotas
First term (1998-1999)
Tiangco first sat as the vice-mayor of Navotas in early 1998.
In June 30, 1998, Tiangco seated as the Mayor due to electoral protest to Cipriano Bautista and seated as the Vice Mayor again in February 1, 1999. Second Term (2000-2001)
In May 12, 2000, Cipriano Bautista died, resulting in Tiangco becoming the incumbent mayor until June 30, 2001.
Third Term (2001-2004)
In 2004, Navotas was awarded as the Cleanest Municipality of National Cash Register. Tiangco
Fourth Term (2004-2007)
Tiangco was still the mayor of Navotas from 2004 to 2007. He focused on the issues of garbage, and the beatification of Navotas City Hall, many were amazed by the new and improved City Hall.
Fifth Term and Last Term (2007-2010)
In 2007, Navotas become a city, resulting in Tiangco becoming the first City Mayor.
First Term (2010-present)
He gave 900 scholarships to the Navotenos on his first term, Navotenos is free from the Major Hospitals in Manila because of his Medical Assistance Ordinance of Navotas. And built many houses for free in Tanza, Navotas. Running for re-election 2013
Tiangco joined United Nationalist Alliance facing the new name in, Icoy de Guzman former Balut vendor.
Tiangco served as the state witness of the impeachment trial.