Martinez first served in Barangay Marulas, Valenzuela as member of
Sangguniang Kabataan from 1993 to 1997 and as
barangay kagawad from 1997 to 2001. He was later elected councilor of Valenzuela from the 2nd district in 2001, serving for two terms until 2007.
Vice Mayor In
2007, Martinez won his first term as Vice Mayor of
Valenzuela City as a member of
Lakas–CMD, together with re-elected mayor
Win Gatchalian. In
2010, Martinez sought for his second term as vice mayor, this time as a member of
Liberal Party, after
Lakas–Kampi–CMD (the successor of Lakas–CMD) nominated Marcelino Morelos as the vice mayoralty candidate instead of him. Martinez was later re-elected. In 2013, he ran again for his third term as vice mayor of the city while former mayor
Win Gatchalian ran as representative of
Valenzuela's 2nd district because he is unable to run for the position once more due to being
term limited. Instead, his brother
Rex Gatchalian won
2013 Valenzuela local elections as mayor of the city.
Congress 17th Congress In
2016, Martinez was elected for his first term as representative for
Valenzuela's 2nd district representative. On July 10, 2020, Martinez voted to
reject the franchise renewal of
ABS-CBN together with
Valenzuela's 1st district representative Wes Gatchalian and 68 other congressmen. On October 6, 2020, Martinez was removed as chairman of the House committee on youth and sports development.
19th Congress In
2022, Martinez sought re-election for his third and last term as
Valenzuela's 2nd district representative. His candidacy received endorsement from President
Rodrigo Duterte. He was re-elected to his third term in
2022, beating former representative Magi Gunigundo once again.
Senate bid Upon being term-limited as representative, Martinez filed his candidacy to run in the
2025 Senate election as an
independent. Despite running an independent campaign, he remained as
Partido Demokratiko Pilipino's vice president for Luzon but chose not to be included in the party's senatorial slate to "discharge" himself from "any political bandages." On May 7, 2025, Task Force Baklas filed a disqualification case against Martinez for allegedly failing to remove illegal campaign materials. Martinez later lost his Senate bid. == References ==