About
Mast, Brian Jeffery A Representative from Florida; born in Grand Rapids, Kent County, Mich., July 10, 1980; graduated from South Christian High School, Grand Rapids, Mich., 1999; attended Palm Beach Atlantic University, West Palm Beach, Fla., 2000-2002; attended American Military University, Charles Town, W.Va., 2008-2010; A.L.B., Harvard University Extension School, Cambridge, Mass., 2016; United States Army, 2000-2012; instructor, Bureau of Alcohol, Tobacco, Firearms, and Explosives; analyst, National Nuclear Security Administration, 2011-2012; explosive specialist, United States Department of Homeland Security, 2012-2015; elected as a Republican to the One Hundred Fifteenth and to the four succeeding Congresses (January 3, 2017-present); chair, Committee on Foreign Affairs (One Hundred Nineteenth Congress).
Official Biography · U.S. Congress.
Performance & Participation
Votes CastMiddle 50%
97% — Voted in 626 of 645 roll call votes this congress.
Avg 97% · Most: 100% · Least: 18%
Vote IndependenceMiddle 50%
1.4% — Voted against their own party majority 8 of 589 times.
Avg 2.1% · Most independent: 23.7% · Most party-line: 0.0%
Cosponsors AttractedMiddle 50%
189 — Attracted 189 cosponsors across 42 bills.
Avg 299 · Most: 1,868 · Least: 0
Cosponsors Attracted Cross-AisleTop 25%
68 — Attracted 68 cosponsors across the aisle.
Avg 59 · Most: 1,291 · Least: 0
Cosponsorships GivenBottom 25%
89 — 89 bills cosponsored.
Avg 304 · Most: 1,768 · Least: 3
Cosponsorships Given Cross-AisleMiddle 50%
20 — 20 bills cosponsored across the aisle.
Avg 59 · Most: 803 · Least: 0
Social Media ToneiMiddle 50%
NegativePositive
Avg +0.69 · Most: +0.94 · Least: +0.33
Press Release ToneiMiddle 50%
NegativePositive
Avg +0.37 · Most: +0.90 · Least: +0.03
US bipartisan congressional delegation meets Dalai Lama during India trip
Radio Free Asia · Sep 30, 2026
US House votes to end Iran war, 7 Republicans join in favour
Al Jazeera · Sep 16, 2026
House votes for a third time to end Iran war in symbolic move as conflict drags on – US politics live
The Guardian · Sep 16, 2026
Florida election 2026 candidates for Congress, U.S. House District 21
Treasure Coast · Sep 13, 2026
Top trade official to RSC
Politico · Aug 31, 2026
