Mayor · Vallehermoso, Negros Oriental
Swapped seatsSame-surname successorTerm limit 2025
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Won another seat the next election: Vice Mayor · Vallehermoso · Same-surname successor took the seat: Aloma Serion
Secondary source2028: No declared intention
An-An Gustilo
Marianne Serion Gustilo
Vice Mayor
- Party
- NPC
- Jurisdiction
- Vallehermoso, Negros Oriental
- Current term
- Jun 30, 2025 – Jun 30, 2028
- Years in public office
- 12
- Government affiliation
- Local government unit
- Previous positions
- Vice Mayor (2025–2028) · Mayor (2022–2025) · Mayor (2019–2022)
Political Career Replay
2026
Vice MayorNPC
Mayor · 2016–2019
Vallehermoso
Mayor · 2019–2022
Vallehermoso
Mayor · 2022–2025
Vallehermoso
Vice Mayor · 2025–2028
Vallehermoso
2016202020242028
- Vice Mayor · Vallehermoso17,901 votes of 19,313 cast in the contest (rank 1)Jun 30, 2025 – Jun 30, 2028
- Mayor · VallehermosoUnopposed — 16,844 votes (rank 1)Jun 30, 2022 – Jun 30, 2025
- Mayor · VallehermosoUnopposed — 15,770 votes (rank 1)Jun 30, 2019 – Jun 30, 2022
- Mayor · Vallehermoso9,800 votes of 16,384 cast in the contest (rank 1)Jun 30, 2016 – Jun 30, 2019
Election history (4 races)
| Year | Office sought | Party | Votes | Result |
|---|---|---|---|---|
| 2025 | Vice MayorVallehermoso | NPC | 17,90192.7% | ✓ Won |
| 2022 | MayorVallehermoso | LP | 16,844100.0% | ✓ Won |
| 2019 | MayorVallehermoso | LP | 15,770100.0% | ✓ Won |
| 2016 | MayorVallehermoso | LP | 9,80059.8% | ✓ Won |
Source: COMELEC certified results compiled by Open Halalan (ODbL 1.0), via BetterGov Dynasties. Vote counts are as reported in the compilation.
Party affiliation history
- LP2016–2025 · Party listed on the certificate of candidacy
- NPC2025–present · Party listed on the certificate of candidacy
Every party affiliation must cite a source. Affiliations are never inferred from election speculation.
Legislative record
No local legislation recorded
City and provincial ordinances are not yet published in a machine-readable form.
Term-limit seat moves
Patterns where a seat stayed with this official or the same surname after a term limit. These moves are legal; the level measures how concentrated the seat became, not wrongdoing.
Moderate risk · 4 pts
Accountability & legal records
No verified public records found in the available sources.
This is not a “clean record” certification. It means no case has been entered and verified in this database yet. Check the Office of the Ombudsman, Sandiganbayan, and Supreme Court directly.
Elected in the 12 May 2025 elections (term 30 Jun 2025 – 30 Jun 2028). Later changes such as succession, suspension, or death are not reflected unless verified.
How legal statuses are labeled In the News
Reports from established newsrooms and official records that name this official in a case, investigation, audit or controversy. Each item links to the original. Being named in the news is not proof of wrongdoing; check the legal records above for the official status of any case.
No reviewed news items yet.
Pulse check
Do you approve of how An-An Gustilo is doing the job?
Pulse check, not a scientific survey: anyone can vote once per device and change their vote any time. It shows how site visitors feel, not public opinion as a whole, and says nothing about any case or allegation.
Family connections
Same-surname blocs in Negros Oriental
8 of 264 local seats are held by officials surnamed Serion; 2 of 264 local seats are held by officials surnamed Gustilo (2025 elections).
Negros Oriental · 2025 elections
Serion
8
of 264 seats
189,835
votes
- Rusty Bernus SerionBoard Member · 1st District76,540PFP
- Aloma Bernus SerionMayor · Vallehermoso17,072NPC
- An-An Serion GustiloVice Mayor · Vallehermoso · surname as middle name17,901NPC
- Monika Serion GustiloCouncilor · Vallehermoso · surname as middle name17,540NPC
- Clark Endrina SerionCouncilor · Vallehermoso15,533PFP
- Oliver Serion BongoyanCouncilor · Vallehermoso · surname as middle name15,486NPC
- Janeth Serion CaingcoyCouncilor · Vallehermoso · surname as middle name14,956NPC
- Tita Serion RamosCouncilor · Vallehermoso · surname as middle name14,807NPC
+10 barangay & SK officials named Serion2 punong barangay · 6 kagawad · 2 SK membersShow
- Rey B. SerionPunong Barangay · Brgy. Poblacion, Vallehermoso
- Divina Gracia S. SerionPunong Barangay · Brgy. Puan, Vallehermoso
Elected in the 2023 barangay & SK elections (DILG directory). Matched by last name only within Negros Oriental; a common surname is very likely to include unrelated families. The list above shows only the punong barangay and SK chairs.
Negros Oriental · 2025 elections
Gustilo
2
of 264 seats
35,441
votes
A surname bloc is officials elected in one province who carry the same surname as last or middle name; barangay & SK officials with the same last name are listed separately. Shared names may not mean kinship, and a bloc is not evidence of wrongdoing. Definition and data:BetterGov.ph Dynasties
Campaign promises
No campaign promises tracked yet
Promises are added with the date, source, and responsible office. They are only marked “Completed” when there is documentary evidence, never based on campaign statements alone.
COA audits of the LGU during their term
Commission on Audit results for Vallehermoso in years An-An Gustilo was mayor for the whole calendar year. COA audits the local government unit, not the official.
COA says an audit opinion is not a rating, score or grade and should not be ranked. It covers whether the financial statements are fairly presented — it is not a finding of wrongdoing. Sources & method →
Awards & achievements
No awards or achievements recorded yet
Each achievement is classified as an official award, a public recognition, an independently verified accomplishment, a self-reported achievement, or a campaign claim. Campaign materials are never treated as independent evidence.
Performance
Public Accountability & Performance Index
A transparent composite of measurable public-service indicators. It does not measure personal integrity, and unproven allegations are never used as a penalty. Weights are demonstration settings you can change.
Period: — · Source: —See methodology & change weights