Category: Federal Legislator — U.S. Senator (former U.S. Representative)
Role: U.S. Senator, Kansas (2021–present); Senate Health, Education, Labor & Pensions Committee; Senate Commerce Committee; formerly U.S. Representative, Kansas’s 1st Congressional District (2017–2021)
Priority: P1

Basis for Inclusion

Subject Classification: Public Official — serving U.S. Senator
Basis for Inclusion: (1) As a House member in December 2020, signed the Texas v. Pennsylvania amicus brief; (2) as a new Senator, was one of six senators who voted to sustain the objection to Arizona’s certified electoral results on January 6, 2021. Marshall is notable for having participated in election subversion efforts in both chambers.
What Is Not the Basis for Inclusion: Healthcare policy positions or agricultural interests.

Who Is Roger Marshall?

Roger Wayne Marshall (born August 9, 1960, El Dorado, Kansas) is a Republican U.S. Senator from Kansas, serving since January 2021. Before the Senate, he served as U.S. Representative for Kansas’s 1st Congressional District from 2017 to 2021.

Marshall holds a B.S. in Biochemistry from Kansas State University and an M.D. from the University of Kansas School of Medicine. He is an OB-GYN physician. He served as Chief of OB-GYN at Stormont Vail Regional Health Center. He was elected to the Senate in 2020, defeating Democrat Barbara Bollier.

Marshall serves on the Senate Health, Education, Labor & Pensions (HELP) Committee and the Senate Commerce Committee.

Documented Actions: 2020 Election

December 11, 2020: Signed Texas v. Pennsylvania Amicus Brief (as House member)

SourceTexas v. Pennsylvania, No. 22O155, amicus brief of 126 Representatives.While still serving in the House, Marshall signed the amicus brief in Texas v. Pennsylvania, No. 22O155.

January 6, 2021: Voted to Sustain Arizona Objection (as new Senator)

SourceSenate Roll Call Vote, January 6, 2021; ABC News; NPR.Marshall, having just been sworn in as Senator on January 3, 2021 — three days before the certification — was one of six senators who voted to sustain the objection to Arizona’s certified electoral results. The Senate rejected the objection 93–6.

Pattern Analysis

Marshall’s participation in both the House amicus brief (December 2020) and the Senate Arizona objection vote (January 2021) represents cross-chamber election denial activity. He participated in election subversion efforts in two different institutional roles within six weeks.

Severity Assessment

Immediate harm: Significant — signed amicus brief (House); voted to sustain Arizona objection (Senate); acted in two chambers
Democratic erosion: Moderate — continues in Senate; HELP Committee
Current threat level: Moderate — U.S. Senator through 2026

Accountability Status

Current status: Serving as U.S. Senator, Kansas; term ends January 2027
Legal exposure: No known criminal charges or investigations
Election status: Up for reelection 2026

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Investigative trail pointers (public records)

Education only — verify independently. Absence of hits is not proof.

Use public-records-research-specialist, corporate-intelligence-investigator, and public-corruption-ombudsman evidence tiers.

Sources

1. Wikipedia, “Roger Marshall”; https://en.wikipedia.org/wiki/Roger_Marshall_(politician)
2. ABC News, “Some GOP senators reverse objections,” January 7, 2021
3. Texas v. Pennsylvania, No. 22O155, amicus brief
4. GovTrack.us, Senator Roger Marshall

Last Updated: May 22, 2026
Profile Status: Active — serving in Senate through January 2027; up for reelection 2026