Coverage dated December 18, 2025

Zohran Mamdani appointee quits over past antisemitic posts

Headline from Newsweek

Da Costa was selected to lead Mamdani’s office of appointments, responsible for shaping talent recruitment and staffing strategy.

Newsweek's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

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Reports & sources

12 articles, oldest first.

  1. Townhall

    Zohran Mamdani Appointee Resigns After Antisemitic Social Media Posts Resurface (opens Townhall)

    Published

    Townhall's feed description

    Catherine Almonte Da Costa resigns as Zohran Mamdani's appointee over antisemitic social media posts.

  2. Fox News

    Top Mamdani appointee dramatically quits after antisemitic posts resurface (opens Fox News)

    Published

    Fox News's feed description

    Catherine Almonte Da Costa resigned as Zohran Mamdani's director of appointments after the Anti-Defamation League raised concerns about her antisemitic social media posts.

  3. Newsweek

    Zohran Mamdani appointee quits over past antisemitic posts (opens Newsweek)

    Published

    Newsweek's feed description

    Da Costa was selected to lead Mamdani’s office of appointments, responsible for shaping talent recruitment and staffing strategy.

  4. Breitbart News

    Mamdani Appointee Resigns After Antisemitic, Anti-Police Posts Resurface (opens Breitbart News)

    Published

    Breitbart News's feed description

    Catherine Almonte Da Costa, a senior appointee to New York City Mayor-elect Zohran Mamdani’s incoming administration, resigned after resurfaced social media posts showed her mocking Jews and attacking law enforcement.

  5. Winchester Star

    Mamdani appointee resigns after her decade-old antisemitic social media posts resurface (opens Winchester Star)

    Published

    Winchester Star's feed description

    One of New York City Mayor-elect Zohran Mamdani’s appointees has resigned over social media posts she made more than a decade ago that featured antisemitic tropes. In a statement Thursday,

  6. NBC New York

    Newly named Mamdani official resigns after antisemitic social media posts resurface (opens NBC New York)

    Published

    NBC New York's feed description

    One day after being hired by Mayor-elect Zohran Mamdani, Catherine Almonte Da Costa submitted her resignation after antisemitic statements in old Twitter posts...

  7. Gothamist

    Zohran Mamdani appointee resigns after antisemitic tweets surface (opens Gothamist)

    Published

    Gothamist's feed description

    Catherine Almonte Da Costa had been tapped the day before as Mamdani’s director of appointments.

  8. NBC News

    Zohran Mamdani appointee resigns after old antisemitic posts resurface (opens NBC News)

    Published

    NBC News's feed description

    Catherine Almonte Da Costa resigned a day after New York's mayor-elect named her to lead his administration's recruitment strategy.

  9. Blaze Media

    'Money hungry Jews': Mamdani appointee abruptly quits after her anti-Semitic online posts resurface (opens Blaze Media)

    Published

    Blaze Media's feed description

    Tapped director of appointments resigns one day after Mamdani's selection.

  10. The Daily Caller

    Top Mamdani Pick Out After One Day Over Antisemitic Past (opens The Daily Caller)

    Published

    The Daily Caller's feed description

    A top aide tapped by Zohran Mamdani resigned after old social media posts resurfaced containing antisemitic remarks and derogatory comments about police.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

Zohran Mamdani appointee quits over past antisemitic posts | Since Then