Personal Information

Birthdate: March 22, 1966

Age on election day: 59 years old

Birthplace: Ann Arbor, Michigan, USA

Residence: Barangay Fort Bonifacio, Taguig City, Metro Manila

Civil status: single

Spouse: N/A (formerly married to Ari-Ben Sebastian)

Profession/occupation (as stated in COC): lawyer/senator

Other info:

Father: Rene Cayetano, former senator
Mother: Sandra Schramm Cayetano

Siblings:

• Alan Peter Cayetano, senator
• Rene Carl Cayetano
• Lino Edgardo Cayetano, former Taguig City mayor; candidate for Taguig City (1st Councilor District)-Pateros Lone District representative in the 2025 elections

Children:

• Maxine Selina Sebastian 
• Nadine Sandra Sebastian
• Gabriel Sebastian (+) 
• Rene Lucas Cayetano (adopted son)

Other relatives

• Maria Laarni Cayetano, sister-in-law (wife of Alan Peter); incumbent Taguig City mayor (reelectionist in the 2025 elections)

Education

• Bachelor of Arts in Economics, School of Economics, University of the Philippines (1985)
• Bachelor of Laws, College of Law, University of the Philippines (1991)

Career

Private sector

• associate lawyer, Castillo, Laman Tan, and Pantaleon Law Offices – specialized in Corporate Law and Intellectual Property Law (1992-1995)
• worked in Legal and Corporate Affairs, Belle Corporation and its affiliates (1996-2000)
• general counsel, Philweb Corporation (2000)
• president, Maxi Group of Companies, a retailer and distributor of educational toys, infant apparel and accessories (2001-2004)
• part owner, Maxicuisine Inc. (Slice Cafe) (2012-2018)

Government service

• senator (2004-2010; 2010-2016; 2019-2025)
• representative, Taguig City Lone District (Taguig City 2nd Councilor District) (2016-2019)

Candidacy in the 2025 Philippine elections

Position sought: Senator

Party: Nacionalista Party (Alyansa para sa Bagong Pilipinas ticket)

Period of residence in the Philippines up to the day before May 12, 2025: 58 years 01 month

Registered voter of: Barangay Fort Bonifacio, Taguig City, Metro Manila

Official website/ social media platforms

• Official website: https://piacayetano.com/ 
• Facebook https://www.facebook.com/piacayetanoofficial/ 
• X https://twitter.com/piacayetano 
• Instagram https://www.instagram.com/piacayetano

Election history

ELECTION YEAR	POSITION SOUGHT	PARTY	OUTCOME
2004	Senator	LAKAS-CMD	won: ranked 6th out of 48 candidates with 12.5 M votes
2010	Senator	NP	won: ranked 6th out of 61 candidates with 13.7 M votes
2016	Representative, Taguig City Lone District (Taguig City 2nd Councilor District)	NP	won: 94,228 votes
2019	Senator	NP	won: ranked 4th out of 62 candidates with 19.8 M votes

Sources:

Personal Information
Sources: COC, Senate, SALNs, Pia Cayetano’s IG, Comelec

Education
Sources: Senate CV

Career
Sources: Senate CV

Candidacy in Eleksyon 2025
Sources: 2025 COC, official social media accounts

Election history
Source: Comelec