Stella Luz Alabastro Quimbo (born Stella Luz Fagela Alabastro; November 23, 1969) is a Filipino politician and academic who served as the representative for Marikina's second district from 2019 to 2025. She was a mayoral candidate in the 2025 Marikina local elections. Quimbo studied economics at the University of the Philippines Diliman and began her academic career as a professor at her alma mater, building a research portfolio focused on health economics. She later earned her master's degree and doctorate in economics at the same institution. In 2016, she entered government after President Benigno Aquino III appointed her to serve as a commissioner of the Philippine Competition Commission. Quimbo was elected to Congress in the 2019 elections as a member of the Liberal Party, succeeding her husband Miro. During her first term, she aligned with the House minority, opposing the policies of President Rodrigo Duterte and supporting the presidential campaign of Vice President Leni Robredo in the 2022 elections. She would be repudiated by her allies in the following term after expressing her support for the Maharlika Wealth Fund and defending the confidential funds of Vice President Sara Duterte. Quimbo ran for mayor in 2025 as a member of Lakas–CMD, with former mayor Del de Guzman as her running mate. She positioned her local coalition as the opposition to the incumbent Mayor Marcelino Teodoro. During the campaign, her camp was accused of vote buying and abuse of state resources. She was ultimately defeated by Maan Teodoro after a contentious campaign.
Early life and education Quimbo was born on November 23, 1969, to food scientist Estrella Alabastro, who would serve as dean of the College of Home Economics at the University of the Philippines Diliman and as a secretary of science and technology under the Arroyo administration. She studied at the UP Diliman and obtained her Bachelor of Science in Business Economics summa cum laude and University Valedictorian in 1991, Master of Arts in economics in 1993, and Doctor of Philosophy in Economics in 2000. The following year, she would do her postdoctoral work at Brown University. In 2018, she obtained a master's degree in Competition Law from the King's College London.
Academic career Quimbo worked as a professor and a department chairperson at the University of the Philippines School of Economics. From 2011 to 2013, Quimbo served as the Prince Clause Professorial Chair, an untenured visiting professorship position at the Erasmus University Rotterdam in the Netherlands. She was the first Southeast Asian to hold the position. Quimbo's research portfolio focuses on the field of health economics, industrial organization, microeconomics, education, poverty, and public policy. For her research studies into health economics, a then-new field of research in the country, the National Academy of Science and Technology awarded her the Outstanding Young Scientist award in 2009.
Philippine Competition Commission (2016–2019) In 2016, President Benigno Aquino III appointed Quimbo as a commissioner of the Philippine Competition Commission (PCC). She would serve in that role from 2016 until her resignation in 2019 to run for a seat in the House of Representatives.
House of Representatives (2019–2025)
Elections
On November 30, 2018, Quimbo filed to run for representative in Marikina's second district under the Liberal Party to succeed her husband, Miro Quimbo, who had held the seat since 2010. In the May 9, 2019, election, Quimbo easily won the seat, defeating former representative Eugene de Vera and independent Mauro Arce. Following the election, de Vera contested Quimbo's eligibility for the position in a quo warranto petition before the House of Representatives Electoral Tribunal, citing the Philippine Competition Act, which prohibited former commissioners of the PCC to run for public office during their tenure and the two-year period following the end of their tenure. Beng Sardillo, Quimbo's legal counsel, derided the petition as self-serving and erroneous. In 2022, Quimbo was reelected to a second term, defeating her closest opponent, former mayor Del de Guzman.
Tenure As a representative, Quimbo was described as having a strict mentality and a volatile office environment. In the 18th Congress, Quimbo was a member of a technical working group tasked to study the franchise renewal of ABS-CBN, the largest broadcaster in the Philippines. She was the lone dissenter against the decision of two other members, representatives Pablo John Garcia and Xavier Jesus Romuald, to disapprove the application of ABS-CBN for another franchise. In the 19th Congress, Quimbo served as a vice chairperson of the House Committee on Appropriations. In September 2023, Quimbo's support of the Maharlika Wealth Fund and defense of Vice President Sara Duterte's use of confidential and intelligence funds for her office and the Department of Education resulted in calls to sanction Quimbo as a member of the Liberal Party. In response, party president Edcel Lagman confirmed that Quimbo will not receive sanctions for her positions, emphasizing the party's tradition of recognizing the "freedom of expression and dissent" of its members. In August 2024, Quimbo was embroiled in a dispute with Duterte over the passage of funds for the Office of the Vice President. The same month, Quimbo left the Liberal Party and took oath as a member of Lakas–CMD. In October 2024, Quimbo and Representative Nica Co jointly filed an ethics complaint against Representative Wilbert T. Lee, anchored on alleged threats and acts of aggression during the 2025 budget hearing with the House Committee on Ethics and Privileges. Following the resignation of Duterte as secretary of education, Quimbo was considered as a possible successor. Following the ouster of Zaldy Co as chair of the House Committee on Appropriations in January 2025, Quimbo assumed the role as an officer in charge in her capacity as the committee's senior vice chairperson. On February 6, Quimbo signed the impeachment complaint against Vice President Sara Duterte.
2025 Marikina mayoral campaign
Background
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