Markwayne Mullin

Senator · OK · R

Former member (no longer serving)

Current term Jan 3, 2023 – Mar 23, 2026 · In the Senate since Jan 3, 2023

Official website Contact form Biographical Directory

Portrait: U.S. Government Publishing Office, via unitedstates/images (public domain)

Sponsored travel

Trips paid for by private organizations, such as nonprofits, universities, foundations and trade associations, taken by this member or their staff in connection with official duties. Travelers must disclose each trip to the Clerk of the House or the Secretary of the Senate afterward. Filings are linked to this member's office by seat and name; costs are listed in each filing.

Most frequent sponsors

Congressional Institute (4)
Heritage Foundation (1)

Trips taken by Markwayne Mullin

None in the published filings.

Trips taken by staff

Aug 6–8, 2025
Alexandra Slocum · Sponsor and destination are listed in the filing · View filing
Oct 28 – Nov 3, 2024
Natalie Burkhalter · Sponsor and destination are listed in the filing · View filing
Sep 13–15, 2024
Natalie Burkhalter · Sponsor and destination are listed in the filing · View filing
Aug 6–9, 2024
Peter Barrett · Sponsor and destination are listed in the filing · View filing
May 2–4, 2024
Benjamin Cantrell · Sponsor and destination are listed in the filing · View filing
Apr 18–22, 2024
Benjamin Cantrell · Sponsor and destination are listed in the filing · View filing
Feb 22–23, 2024
John Edwards · Sponsor and destination are listed in the filing · View filing
Sep 15 – Oct 17, 2023
Natalie Burkhalter · Sponsor and destination are listed in the filing · View filing
Apr 27–29, 2023
Benjamin Cantrell · Sponsor and destination are listed in the filing · View filing
Mar 20–23, 2023
Jake Johnson · Sponsor and destination are listed in the filing · View filing