Public domain
DemocratRunning for MA-6 U.S. House · 2026
Dan Koh
Daniel Arrigg Koh is an American politician. Koh was Deputy Assistant to President Joe Biden and deputy director of the White House Office of Intergovernmental Affairs.
Born 1985
In brief
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No profile summary yet
Summaries are written and fact-checked against the underlying data in nightly batches. This candidate's hasn't been generated or verified yet.
Governing & voting record
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No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
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No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
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No campaign finance on file
FEC filings appear here once the candidate's committee reports. Early-cycle and self-funding candidates often have nothing on record yet.
Related prediction markets
All markets →Live contract prices tied to Koh and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.
Sources & provenance
Biography
Public record
Wikipedia + state records
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: EXECUTIVE OFFICE OF THE PRESIDENT OF THE UNITED STATES · PUBLIC DOMAIN (WIKIMEDIA COMMONS)
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Democrat · MA-6 U.S. House
Dan Koh
Daniel Arrigg Koh is an American politician. Koh was Deputy Assistant to President Joe Biden and deputy director of the White House Office of Intergovernmental Affairs.
In brief
—
No profile summary yet
Summaries are written and fact-checked against the underlying data in nightly batches. This candidate's hasn't been generated or verified yet.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
—
No campaign finance on file
FEC filings appear here once the candidate's committee reports. Early-cycle and self-funding candidates often have nothing on record yet.
Sources & provenance
Biography
Public record
Wikipedia + state records
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: EXECUTIVE OFFICE OF THE PRESIDENT OF THE UNITED STATES · PUBLIC DOMAIN (WIKIMEDIA COMMONS)