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Mamdani Takes Office With Midnight Subway Oath and City Hall Ceremony

The split-format inauguration signals a transit-first agenda backed by prominent progressives.

Overview

  • New York Attorney General Letitia James will administer a private oath at the Old City Hall subway station at midnight, followed by a 1 p.m. City Hall ceremony where Sen. Bernie Sanders will swear in the new mayor and Rep. Alexandria Ocasio-Cortez will deliver opening remarks.
  • The public program includes seating for about 4,000 invited guests on City Hall Plaza and free viewing areas along Broadway designed to accommodate tens of thousands for a block‑party celebration.
  • In last‑minute staffing moves, Mamdani named Steve Banks as corporation counsel (requiring City Council approval), Ramzi Kassem as chief counsel, and Dr. Helen Arteaga as deputy mayor for Health and Human Services.
  • The incoming administration blends veterans and holdovers, including First Deputy Mayor Dean Fuleihan and Police Commissioner Jessica Tisch, while key roles such as schools chancellor remain unannounced.
  • Transition filings show roughly $2.6 million raised from nearly 30,000 contributors, as the 34‑year‑old democratic socialist becomes New York City’s first Muslim mayor on an affordability‑focused platform.