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Observation saved Nov 4, 2026, 11:35 AM UTC. No automatic updates.
MA-06 House winner?
The selected contract has a verified final result.
Final: Yes
Settled Nov 4, 2026, 4:05 AM UTC

Dan Koh
Democratic candidate for U.S. House in Massachusetts
General Election
Voters choose the office holder.
Saved odds — MA-06 House winner?
Prediction-market probability saved with this edition; no automatic updates.
99%chance to win
Candidate Overview
Key details about the candidate’s background, party, office sought and current campaign.
Current rolePolitical candidate
PartyDemocratic
Age41 years old (Jan 1, 1985)
GenderMale
LocationMassachusetts
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BackgroundPolitical candidate
EducationB.A., Harvard College
Notable personal detailsDaniel Arrigg Koh is an American politician and Democratic candidate for U.S. House in Massachusetts’s 6th congressional district (2026). He previously served in senior roles in the Biden-Harris White House, including deputy director of the White House Office of Intergovernmental Affairs, and was chief of staff to U.S. Labor Secretary Marty Walsh. Koh also served as an elected member of the Andover, Massachusetts Select Board and previously ran for Congress in Massachusetts’s 3rd district in 2018.
SourcesShowHide
Political Positions
Healthcare
Supports expanding access to health coverage, including universal coverage goals and preservation/strengthening of the Affordable Care Act with measures like a public option to broaden access and lower costs.
Immigration & Border
Dan Koh emphasizes his family’s immigrant background and frames immigrants as part of the American story, but I could not find a clear, detailed policy platform or concrete proposals on immigration or border enforcement on his campaign site or in major news coverage. Public statements available emphasize welcoming immigrant roots and sympathy for immigrants rather than specific policy prescriptions.
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Climate & Energy
Supports clean energy investment and job creation and has worked on implementing federal infrastructure and clean energy programs; as an Andover Select Board member he helped secure clean energy choices for town residents. Positions emphasize building clean energy jobs and infrastructure while accepting a role for government-led investment.
Public Safety & Guns
Supports stronger background checks, an assault-weapons ban, and other common-sense gun reforms while advocating measures to improve public safety. Positions emphasize regulating firearms to reduce gun violence alongside broader public-safety initiatives.
Latest News
Dan Koh is running in the crowded Massachusetts 6th District Democratic primary, and recent coverage says he is still in the race as other candidates have dropped out. He has also been highlighted for using "red boxing," a tactic candidates use to signal support to super PACs without direct coordination. One report says he is leaning on an endorsement from former President Joe Biden in the primary.
Latest Polls
Recent polling results and the candidate's current average in the race.

Aggregation source: FiftyPlusOne
Campaign Fundraising
Latest report: Cycle 2026Campaign finance totals from the latest available reporting period.
2022
2024
2026
LatestCycle 2022
Cycle 2024
Cycle 2026
Source: FEC
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- Endorsements


