Columbia University’s interim president resigned from her position at the embattled Ivy League Friday night, just days after she told the Trump administration she would implement a mask ban — while privately promising faculty she would not.

Katrina Armstrong, who took over as interim president at Columbia in August, resigned amid a tumultuous year for the university.

Columbia University Interim President Katrina Armstrong is stepping down from her role leading the school, with board of trustees co-chair Claire Shipman taking her place.

The resignation comes after Columbia caved in to demands from Trump, who claims the school failed to fight antisemitism.

Students and neighbors are suing the school, magnifying the broader complaint that institutions stifle free expression when they restrict access to public spaces following protests.

Columbia University appointed a new acting president Friday. Katrina Armstrong, who had been serving as the interim president since August 2024, will be returning to her previous position as the CEO of Columbia's Irving Medical Center.

Columbia University’s interim president resigned Friday, becoming the Ivy League school’s second embattled leader to vacate the position as the school remains the target of President Donald Trump and other Republicans over its handling of pro-Palestinian student activism.

Katrina Armstrong is leaving the post a week after the university agreed to a list of demands from the White House.

The interim president of Columbia University is stepping down, the school announced Friday, a week after announcing sweeping policy changes – seemingly bowing to the Trump administration’s demands conditioned on federal funding.