Former Georgia lieutenant governor Geoff Duncan announced Tuesday that he will run for governor as a Democrat, marking a dramatic party switch for a one-time Republican who became one of the most outspoken critics of former President Donald Trump in the state.
In an announcement video, Duncan said he had been driven from the GOP by his opposition to Trump and his allies and declared himself "a proud Democrat." "I’ve never wavered in taking on Trump. So Georgia Republicans threw me out of their party," he said. He told voters he intends to focus his campaign on expanding access to health care, lowering costs of living and defending democratic institutions against what he described as extremism.
Duncan, 50, who won the lieutenant governor's office in 2018 after a single term in the state House, has for years operated outside the GOP fold. He declined a re-election bid in 2022, later becoming a paid CNN contributor, and drew formal rebuke from the Georgia Republican Party in January after speaking at the 2024 Democratic National Convention in support of Vice President Kamala Harris. The state GOP said his actions meant he had "forfeited any claim to being even a nominal 'Republican.'"
His entry adds an unusual dynamic to a Democratic primary that already includes former Atlanta Mayor Keisha Lance Bottoms, state Sen. Jason Esteves and former Labor Commissioner Michael Thurmond. Duncan has argued he may be the most electable Democrat in a state that has become more competitive in recent election cycles, pointing to his statewide experience and appeal to moderate and independent voters.
Duncan’s record as a Republican includes positions that could raise questions among Democratic primary voters. As lieutenant governor he helped broker the passage of a state hate crimes law and supported reforms to foster care. He described himself in 2018 as "100% pro-life" and was aligned with the Republican-backed 2019 state law that restricts most abortions, positions that Democrats and reproductive-rights advocates are likely to scrutinize. He also supported a Republican overhaul of Georgia’s election laws after the 2020 elections that tightened absentee voting rules and curtailed the use of ballot drop boxes.
Duncan’s opposition to Trump emerged most visibly after the 2020 presidential election, when he publicly condemned efforts by some state Republicans to overturn Georgia’s results. He punished state senators who backed those efforts and publicly defended election workers who faced threats and harassment. His stance put him at odds with a significant faction of the state GOP; his successor as lieutenant governor, Burt Jones, was a strong backer of Trump and later declared himself among those who considered him a "duly elected and qualified" elector for Trump in 2020.
Georgia’s political landscape has shifted in recent years. The state, long a Republican stronghold, voted for Democrat Joe Biden in 2020 by a narrow margin and sent two Democratic senators to Washington in the 2021 runoffs. Governor Brian Kemp, who narrowly defeated Democrat Stacey Abrams in 2018 and again in 2022, broke with Trump after the 2020 election and survived a Trump-backed primary challenge in 2022.
Duncan’s advisers say his fundraising network, statewide name recognition and service as a statewide officeholder will help him compete with candidates who have long histories in Democratic politics. Bottoms, who served in the Biden administration, and Thurmond, a longtime officeholder who has won statewide races, are well-known figures within the party; Esteves, at 42, is an ascending state lawmaker who also appeals to younger voters.
Political strategists note that party switchers have traditionally moved from Democratic to Republican in the South, making Duncan’s move notable. The prospect of a former Republican vying for the Democratic nomination raises questions about whether he can consolidate enough Democratic primary voters while also expanding the electorate in the general election.
Duncan has framed his shift in moral as well as political terms. In interviews since leaving office, he has cited disagreements with GOP resistance to tighter gun regulations and opposition to expanding Medicaid as reasons he could no longer align with the party. He has said he hopes to position Georgia "as the front line of democracy and a backstop against extremism," and to restore what he described as neighborliness among residents.
The immediate challenge for Duncan will be securing the Democratic nomination in what is expected to be a competitive primary. Democrats in Georgia have cultivated a deep bench in recent years, and the party’s ability to field multiple credible statewide contenders will shape both the primary contest and the general election dynamics. How Democratic voters weigh Duncan’s anti-Trump record, prior policy positions and potential electability will determine whether his candidacy gains traction.
Duncan’s announcement completes a shift that began after he left office and has included public rebukes from his former party and high-profile appearances alongside prominent Democrats. The general election landscape in Georgia will continue to attract national attention, and Duncan’s campaign will add a new variable to the contest for a state that remains closely watched by both parties.