Dan Koh
Won the September 1, 2026 Democratic primary with 42.2% of the vote in a six-way field.
Dan Koh is the Democratic nominee for the open Massachusetts 6th District seat. A former White House deputy Cabinet secretary and chief of staff to U.S. Labor Secretary Marty Walsh, he previously served as chief of staff to Boston Mayor Marty Walsh and as an adviser to Boston Mayor Tom Menino.[2][3]
Basic profile — the most important sourced facts we found.
Positions on the issues
- SupportsProtect legal access to abortion
Lists protecting reproductive freedom among his priorities for Congress.[3]
- SupportsFaster transition away from fossil fuels
Says he will fight climate change in Congress, listing it among his top priorities.[3]
- SupportsExpand public health coverage
Names making healthcare affordable and accessible as one of his priorities.[3]
“My priorities include making healthcare affordable and accessible, addressing the housing crisis, strengthening unions and workers' rights, combating climate change, protecting reproductive freedom, advancing racial justice, defending LGBTQ+ rights, improving public education, reducing gun violence, and investing in transportation infrastructure.”
- SupportsStronger rent regulation and tenant protections
Lists addressing the housing crisis among his stated policy priorities.[3]
- SupportsStricter gun laws
Lists reducing gun violence among his stated policy priorities.[3]
In their words — priorities
Background
- Born and raised in Andover, Massachusetts; earned a bachelor's degree from Harvard College and an M.B.A. from Harvard Business School.[2]
- Served as chief of staff for Arianna Huffington at the Huffington Post, then as chief of staff for Boston Mayor Martin J. Walsh and as an adviser to Boston Mayor Tom Menino.[2]
- Served as chief of staff to U.S. Labor Secretary Marty Walsh and as a White House deputy Cabinet secretary in the Biden administration; as of mid-2026 hosted The People's Cabinet podcast.[2]
Campaign money
Raised $4.7M · spent $2.7M · $2.0M cash on hand (through 2026-08-12) FEC filing ↗