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

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 ...

The president, Katrina Armstrong, resigned effective immediately, and the school’s board chair, journalist Claire Shipman, has been appointed interim president. Armstrong had replaced Columbia’s ...

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

Dr. Katrina Armstrong, Columbia University’s interim president, resigned Friday amid the school’s tussle with the Trump administration over federal funding and criticism around its response to ...

Former Columbia University interim President Katrina Armstrong struggled to answer questions from Department of Health and Human Services investigators over campus antisemitism issues.

Dr. Katrina Armstrong, Columbia University’s interim president, resigned Friday amid the school’s tussle with the Trump administration over federal funding and criticism around its response to ...

Columbia University’s interim president Katrina Armstrong has resigned, returning to her post running the New York school’s medical center. Armstrong’s ...