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Singson in 2017
|Municipal Councilor of Narvacan, Ilocos Sur|
Assumed office |
June 30, 2016
|Governor of Ilocos Sur|
June 30, 2010 – June 30, 2013
|Preceded by||Deogracias Victor B. Savellano|
|Succeeded by||Ryan Luis Singson|
June 30, 2004 – June 30, 2007
|Succeeded by||Deogracias Victor B. Savellano|
June 30, 1992 – June 30, 2001
January 1, 1972 – March 26, 1986
|Member of the Philippine House of Representatives from Ilocos Sur's First District|
June 30, 1987 – June 30, 1992
Post last held by Floro Crisologo
|Succeeded by||Mariano Tajon|
|Member of the Vigan City Council|
Luis Crisologo Singson|
June 21, 1941
Vigan, Ilocos Sur, Philippine Commonwealth
|Political party||Nacionalista (2011–present)|
Lakas ng Bayan (1987–1992)
|Spouse(s)||Evelyn Versoza (till 2016,her death)|
Luis Crisologo Singson (born June 21, 1941), better known as Chavit Singson, is a Filipino politician. He was the Governor of the province of Ilocos Sur, Philippines and the Deputy National Security Adviser for the Philippine government (2008).
Chavit Singson was born on June 21, 1941 in Vigan, Ilocos Sur. He is second eldest among the seven children of José Singson and Caridad Crisólogo. He studied in Colegio de San Juan de Letran in Manila and finished his Commerce degree.
Both his paternal (Singson) and maternal (Crisologo) families have dominated the political environment of the Ilocos region for generations. Although many members of both families, such as Chavit are related to one another, the two families have shared a bitter feud which reached its apex in the 1960s and 1970s, when shootings and political intimidation were rampant in the Ilocos region. Chavit considered his uncle, Floro Crisologo as a mentor, but eventually had a severe falling out with his cousin and once-confidant Vincent Crisologo who was Floro's son and there were many bloody encounters between the two. It is currently stated by both sides that tensions have eased. 
Singson had secured a spot as a candidate for the 2007 Philippine senatorial elections. He has sided with the government party, despite being former friends with the former president Joseph Estrada. After losing the elections, Singson had been appointed Deputy National Security Adviser, on September 5, 2008 by Gloria Macapagal Arroyo.
EDSA II protests
Singson is said to have started EDSA II, when in October 2000 he alleged he gave President Joseph Estrada Php 400 million as payoff from illegal gambling profits. Estrada was put under investigation, but on 16 January 2001, a key piece of evidence was blocked in court, leading to protests in Manila and other cities and municipalities backing to vice president Gloria Macapagal-Arroyo, and Estrada's government quickly fell. Estrada was put to jail pending the investigation, leading the then Vice-President Gloria Arroyo to install the presidency on January 20, 2001.
Hello Garci scandal
In 2005, during the nation's Presidential Hello Garci scandal, Singson claimed he had a tape of a conversation where the jailed president Joseph Estrada stated he was planning to return to power by disposing whoever would lead the transitional government after current president Gloria Macapagal-Arroyo resigns.
Organization of Miss Universe 2016
The group of former Ilocos Sur governor Chavit Singson will raise the $11 million needed to host the Miss Universe 2016 pageant in the country on January 30, 2017, said Tourism Secretary Wanda Teo. For the big event, which will entail a budget of about $13-million, Councilor Chavit had started tapping possible sponsors including big hotels where the candidates and the Miss Universe entourage will be billeted. The group of Singson, with the help of Okada, Solar, PAL, and SM, will handle the finances.
- Limpe, Linda C.The 9 Lives of Luis "Chavit" Singson, Foresight Books, 2003.