Fernandez was first elected as member of the
Laguna Provincial Board from the 4th district in 1998, serving for one term until 2001. He was elected vice governor of Laguna in 2001, serving for one term until 2004.
2004 gubernatorial campaign Fernandez chose not to seek re-election for vice governor and instead ran for
Governor of Laguna in 2004. He eventually lost to incumbent Governor
Teresita Lazaro. He filed a petition to annul Lazaro's proclamation, alleging tampering of election results in
Biñan and
San Pablo. However, on October 9, 2006, the
Commission on Elections (COMELEC) dismissed the petition and denied his motion for reconsideration, due to his failure in filing timely objections and providing evidence of fraud. According to his 2025 Certificate of Candidacy, he transferred his residence to
Santa Rosa, Laguna, several months after his vice gubernatorial term ended on June 30, 2004.
House of Representatives (2007–2016) Fernandez decided to return to politics by running for representative of the
first district of Laguna in
2007. He won the elections defeating Atty. Nereo Joaquin Jr., the son of former Representatives Nereo and Uliran Joaquin. On November 20, 2009, his election was annulled by the
House of Representatives Electoral Tribunal for failing to complete the two-year residency requirement prior to filing his 2007 candidacy but it was reversed by the
Supreme Court on January 4, 2010. Fernandez ran for
re-election in 2010 and won defeating his predecessor, Uliran Joaquin. He was once again
re-elected in 2013. As a member of the House of Representatives, Fernandez sponsored and authored 19 House measures. He also co-authored 13 House Bills and Resolutions. Fernandez served on numerous committees as a member of the
Philippine House of Representatives: •
Ecology •
Dangerous Drugs •
Justice •
Labor and Employment •
Public Information •
Public Order and Safety •
Southern Tagalog Development •
Trade and Industry •
Transportation Mayor of Santa Rosa (2016–2019) Upon being term-limited as representative, Fernandez ran for Mayor of
Santa Rosa, Laguna in 2016. He won the elections, defeating two opponents and effectively switching places with
Arlene Arcillas. However, in 2019, he decided not to seek re-election to seek a comeback to the Congress instead.
House of Representatives (2019–2025) Fernandez was elected to his fourth term as Representative of the 1st District of Laguna, without having any opponents in 2019. He switched places with Arlene Arcillas once again. He was then named as one of the
Deputy Speakers under the new Speakership of
Alan Peter Cayetano. He is one of the 70 congressmen who voted against the
renewal of the ABS-CBN franchise. His vote of denial to his former home network's hopes of renewing its legislative franchise sparked controversy from both the entertainment industry and the social media, branding him as a "traitor". Fernandez was removed as the Deputy Speaker on November 18, 2020. In January 2021, Fernandez is announced to be part of the new bloc "
BTS sa Kongreso" (named after the
K-pop boy band group
BTS of
South Korea), a coalition group formed by Alan Peter Cayetano during the
18th Congress. Fernandez sought re-election in
2022, this time for the newly established
lone district of Santa Rosa. He was elected, making him the first representative of the new district. In the
19th Congress, he was named as the chairman of the House Committee on Public Order and Safety, making him a concurrent member of the
National Security Council. He also chaired the Quad Committee, alongside
Benny Abante (
Manila–6th), which investigates the alleged extrajudicial killings during the
drug war under former President
Rodrigo Duterte, until both resigned as chairmen in November 2024 after former
Mandaluyong City Police Chief Hector Grijaldo accused them of pressuring him to admit the existence of the drug war reward system. In January 2025, an ethics complaint was filed by
Ferdinand Topacio, lawyer of
Cassandra Ong, against Fernandez. The complaint alleged conduct unbecoming of a legislator and Quad Committee chairman, citing violations of the Code of Conduct during hearings on
Philippine Offshore Gaming Operators (POGOs) and calling for Fernandez's expulsion.
2025 gubernatorial campaign Fernandez chose not to run for re-election to run in the House and ran instead for governor of Laguna for the second time in
2025. He chose fellow celebrity
Gem Castillo as his vice gubernatorial running mate. On April 25, 2025, the
Commission on Elections (COMELEC) Kontra Bigay committee issued show-cause order to Fernandez over alleged
vote buying activities surrounding his campaign. Fernandez later lost the race to former Laguna 3rd district representative
Sol Aragones, placing third. ==Filmography==