Gary Peters
Retiring Michigan Democratic senator; endorsed Haley Stevens to succeed him in 2026.
Peters is standing down at the end of this Congress, and on 4 August 2026 Michigan Democrats voted on his successor with the candidate he had endorsed trailing badly in every recent poll.
Last refreshed: 4 August 2026 · Appears in 1 active topic
Who will Democrats field in Michigan after Gary Peters steps aside?
Timeline for Gary Peters
Michigan votes with the establishment behind
US Midterms 2026Background
Gary Peters is the Democratic senator for Michigan and announced he would not seek re-election in 2026, converting a defended seat into an open one in a state that has swung between the parties at presidential level. He won election in 2014 and again in 2020, both times by modest margins.
His Senate profile was built on committee work rather than national visibility, with a moderate and procedurally-minded record that made him unusually well suited to a state where statewide majorities are thin. That style is also why his departure removes more than a vote: incumbency in Michigan has historically been worth more than partisan lean.
A retiring senator's remaining influence runs through succession, and Peters exercised it by endorsing in the primary to replace him. The measure of that influence is whether the endorsement moved anything, which makes his final act in the seat a test of how much authority a departing incumbent still carries inside his own party.
Why is Gary Peters not running for re-election in 2026?
Is Michigan a safe Democratic Senate seat in 2026?
Who did Gary Peters endorse to succeed him in the Senate?
