Irwin Tieng

Irwin Tieng
Official portrait, 2025
Member of the House of Representatives from Manila’s 5th district
Assumed office
June 30, 2022
Preceded byCristal Bagatsing
Member of the Manila City Council from 5th district
In office
June 30, 2016 – June 30, 2022
Member of the House of Representatives for Buhay Party-List
In office
June 30, 2007 – June 30, 2016
Personal details
BornWilliam Irwin Chua Tieng
(1980-11-21) November 21, 1980
Quezon City, Philippines
PartyLakas–CMD (2022–present)
Asenso Manileño (local party; 2021–present)
Other political
affiliations
Aksyon Demokratiko (2021–2022)
Independent (2018–2021)
UNA (2012–2018)
Buhay (partylist; 2007–2013)
Alma materDe La Salle–College of Saint Benilde (BS)
Ateneo de Manila University (MBA)
OccupationPolitician, businessman
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William Irwin Chua Tieng (born November 21, 1980) is a Filipino politician and businessman. He is currently serving as representative of the 5th district of Manila since 2022. He is currently a member of the Lakas–CMD. A member of the Tieng family of businessmen, he was first elected to Congress as a Buhay Party-List representative in 2007.

As a partylist representative, Tieng authored a house bill reducing the amusement tax imposed on local films from 30% to 10% that was signed into law in 2009, culminating more than two decades of attempts to lower the film tax.