119th Congress Nominee record

Sean O'Neill

Latest nomination Department of State

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Nomination records
1 nomination record
Cited sources
1 cited sources
Nomination snapshot

At a glance

Sean O'Neill is a Foreign Service diplomat and former capital markets attorney with prior assignments in Bangkok and Chiang Mai.

Summary sources: [1]

Nomination outcomes below are from the Oct 14, 2026 snapshot. Congress.gov may show subsequent actions.

Career and documented accomplishments

  • Began his professional career as a capital markets attorney in New York and Tokyo. [1]
  • Joined the Foreign Service after the September 11 attacks, according to his Senate opening statement. [1]
  • Served two tours in Thailand, including service as consul general in Chiang Mai. [1]

Nomination history

PN380-3: Ambassador Extraordinary and Plenipotentiary of the United States of America to the Kingdom of Thailand

Confirmed
Recorded name
Sean O'Neill
Organization
Department of State
Listed state
Virginia
Received
Latest action
Recorded vote
51–47

Latest recorded action

Confirmed by the Senate by Yea-Nay Vote. 51 - 47. Record Vote Number: 547.

Read PN380-3 on Congress.gov →

Sources and review date

Career and role sources reviewed . These sources may describe developments beyond the nomination snapshot; each nomination entry retains its recorded date and outcome.

  1. Sean O'Neill opening statement, Thailand ambassador nomination, July 29, 2025

    Senate Foreign Relations Committee. Reviewed .

Understanding these records

PN means presidential nomination. Each numbered record tracks a proposal sent to the Senate.

A Senate confirmation approves a nomination; it is not proof of current tenure or an appointment taking effect. These entries show received dates and the latest recorded action, rather than a complete legislative action timeline.

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