Stephen Senior

Stephen Senior
MS
Official portrait, 2026
Shadow Cabinet Minister for Education
Incumbent
Assumed office
23 September 2026
LeaderHelen Jenner
Preceded byHelen Jenner
Member of the Senedd
for Sir Fynwy Torfaen
Incumbent
Assumed office
8 May 2026
Preceded byConstituency established
Personal details
BornStephen John Senior
PartyReform UK
Other political
affiliations
Conservative (before 2025)

Stephen John Senior is a Welsh politician serving as a Member of the Senedd for Sir Fynwy Torfaen representing Reform UK.

Political career

Senior was previously a member of the Welsh Conservatives, having competed unsuccessfully with the Tories in the 2017 and 2022 Torfaen County Borough Council elections, as well as for the 2023 Llantarnam by-election.

In February 2025 Senior stood successfully for the Pontypool Community Council winning against the Labour candidate. In May 2025 he changed his political affiliations to be a Reform UK Community Council.

It was announced that Senior was selected in the second position on the Reform seat list for the Sir Fynwy Torfaen seat. He was elected on the 7 May.

References

  1. ↑ "Torfaen County Borough Council Election Results". Torfaen County Borough Council. Retrieved 28 September 2025.
  2. ↑ "Welsh Parliament election results 2026". BBC News. Retrieved 2026-05-08.
  3. ↑ Slow, Oliver; Hale, Adam (2026-05-08). "Wales election 2026: Reform and Plaid Cymru win two seats each as first results announced, with Labour admitting defeat". BBC News. Retrieved 2026-05-08.
  4. ↑ https://whocanivotefor.co.uk/person/26931/stephen-john-senior
  5. ↑ "Community Council Election Results | Torfaen County Borough Council". www.torfaen.gov.uk. Retrieved 2026-05-11.
  6. 1 2 "Pontypool Conservative Stephen Senior joins Reform UK". South Wales Argus. 2025-05-19. Retrieved 2026-05-11.
  7. ↑ "Senedd Cymru elections: The 43 candidates in Sir Fynwy Torfaen". whocanivotefor.co.uk. Retrieved 2026-05-11.