By Alex Nitzberg
Published May 04, 2026
Former President Joe Biden has endorsed Dan Koh, a candidate running for U.S. Congress in Massachusetts' 6th Congressional District Democratic primary in an open race as Rep. Seth Moulton runs for U.S. Senate.
Koh, who served in various roles during Biden's White House tenure, issued a video in which Biden said he was calling because he wanted to endorse Koh.
Koh told Biden he is "honored."
Biden told Koh, "You will be one heck of a congressman," asserting, "everything you and I fought for, everything we did to help ordinary people is in jeopardy now in this administration, so we gotta get ya elected."
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Former President Joe Biden speaks during a fundraising event with the South Carolina Democratic Party on Feb. 27, 2026 in Columbia, S.C. (Sean Rayford/Getty Images)
Former Vice President Kamala Harris endorsed Koh last year.
Koh lost a 2018 Democratic congressional primary in Massachusetts by a razor-thin margin.
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Dan Koh participates in a debate between the Democratic candidates for the 3rd Congressional District seat in Lowell, Mass., on April 29, 2018. (Keith Bedford/The Boston Globe via Getty Images)
Biden also recently endorsed Keisha Lance Bottoms for Georgia governor.

Former Vice President Kamala Harris endorsed former senior White House official Dan Koh for Massachusetts' 6th Congressional District. (Jacquelyn Martin/AP Photo; Stephanie Chasez/Official White House Photo)
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Bottoms, who also served in Biden's administration, had previously served as Atlanta mayor.
https://www.foxnews.com/politics/biden-intervenes-dem-congressional-primary-warning-help-ordinary-people-jeopardy